Adição de Números Naturais

Combine o seguinte: conforme as respectivas propriedades.

• (2+3)+4 = 2+(3+4)

• associativa

• 1+3 = 3+1

• elemento neutro

• 0+x = x

• comutativa

What is the result of adding 25 and 14?

• 37

• 29

• 42

• 39

What is 37 + 42?

• 65

• 79

• 80

• 78

What is the total number of apples and oranges if there are 56 apples and 18 oranges?

• 82

• 62

• 70

• 74

Qual é a soma de 89 e 27?

• 125

• 116

• 93

• 106

What is the total of 63 apples and 29 oranges?

• 92 fruits

• 72 fruits

• 101 fruits

• 85 fruits

What is the result of adding 72 and 15?

• 90

• 85

• 80

• 87

What is 91 + 8?

• 100

• 99

• 89

• 105

Calculate the total cost of 54 apples and 37 oranges if each apple costs $2 and each orange costs $3.

• 92

• 89

• 91

• 100

Qual é a soma de 68 e 24?

• 100

• 86

• 50

• 92