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								---
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								id: a3566b1109230028080c9345
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								title: Sum All Numbers in a Range
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								isRequired: true
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								challengeType: 5
							 
						 
					
						
							
								
									
										
										
										
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								videoUrl: ''
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								localeTitle: Suma todos los números en un rango
							 
						 
					
						
							
								
									
										
										
										
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								---
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Description
 
							 
						 
					
						
							
								
									
										
										
										
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								< section  id = "description" >  Te pasaremos una serie de dos números. Devuelve la suma de esos dos números más la suma de todos los números entre ellos. El número más bajo no siempre vendrá primero. Recuerda usar < a  href = "http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514"  target = "_blank" > Read-Search-Ask< / a >  si te atascas. Trate de emparejar el programa. Escribe tu propio código. < / section > 
							 
						 
					
						
							
								
									
										
										
										
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								## Instructions
 
							 
						 
					
						
							
								
									
										
										
										
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								< section  id = "instructions" > 
							 
						 
					
						
							
								
									
										
										
										
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								< / section > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Tests
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< section  id = 'tests' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```yml
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								tests:
							 
						 
					
						
							
								
									
										
										
										
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								  -  text: '< code > sumAll([1, 4])</ code >  debe devolver un número.'
							 
						 
					
						
							
								
									
										
										
										
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								    testString: 'assert(typeof sumAll([1, 4]) === "number", "< code > sumAll([1, 4])< / code >  should return a number.");'
							 
						 
					
						
							
								
									
										
										
										
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								  -  text: '< code > sumAll([1, 4])</ code >  debe devolver 10.'
							 
						 
					
						
							
								
									
										
										
										
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								    testString: 'assert.deepEqual(sumAll([1, 4]), 10, "< code > sumAll([1, 4])< / code >  should return 10.");'
							 
						 
					
						
							
								
									
										
										
										
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								  -  text: '< code > sumAll([4, 1])</ code >  debe devolver 10.'
							 
						 
					
						
							
								
									
										
										
										
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								    testString: 'assert.deepEqual(sumAll([4, 1]), 10, "< code > sumAll([4, 1])< / code >  should return 10.");'
							 
						 
					
						
							
								
									
										
										
										
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								  -  text: '< code > sumAll([5, 10])</ code >  debe devolver 45.'
							 
						 
					
						
							
								
									
										
										
										
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								    testString: 'assert.deepEqual(sumAll([5, 10]), 45, "< code > sumAll([5, 10])< / code >  should return 45.");'
							 
						 
					
						
							
								
									
										
										
										
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								  -  text: '< code > sumAll([10, 5])</ code >  debe devolver 45.'
							 
						 
					
						
							
								
									
										
										
										
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								    testString: 'assert.deepEqual(sumAll([10, 5]), 45, "< code > sumAll([10, 5])< / code >  should return 45.");'
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / section > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Challenge Seed
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< section  id = 'challengeSeed' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< div  id = 'js-seed' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```js
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								function sumAll(arr) {
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								  return 1;
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								}
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								sumAll([1, 4]);
							 
						 
					
						
							
								
									
										
										
										
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								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / div > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / section > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								## Solution
 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< section  id = 'solution' > 
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								```js
							 
						 
					
						
							
								
									
										
										
										
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								// solution required
							 
						 
					
						
							
								
									
										
										
										
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								```
							 
						 
					
						
							
								
							 
							
								
							 
							
								 
							 
							
							
								< / section >