Question

me ajudem por favor! ​

Answer 1

Resposta:

a)9x=360

×=360/9

×=40

b)10×=720

×=720/10

×=72

c)5×+525=900

5×=900-525

×=375/5

×=75

d)4×+180=540

4×=360

×=360/4

×=90