Question

Quais numeros devem ocupar o lugar dos quadrados : a) 250:5=18 + b)480:8= ×15 c)300:10=70- .

Answer 1

a) 250:5=50
18+x=50
x=32
b)480:8=60
15x=60
x=4
c)300:10=30
70-x=30
x=40