Question

Identifique a propriedade da adição que foi aplicada em cada uma das sentenças Matemáticas abaixo:

a) 75 + 105= 105 + 75______________

b) 250+0= 250___________________

c) 90 +( 130+100)=(9+130)+100________

d) 407 + 86= 86 + 406_____________

Answer 1

Explicação passo-a-passo:

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