Question

56:х=(10+6): 2
Х-340:10=12•5
484:4+×=210

Answer 1

Ответ:

1) 56:X=(10+6):2

56:X=8

X= 56:8

X=7

-----------------------

56÷7=(10+6):2

8=8

2) X-340:10=12*5

X-34=60

X=34+60

X=94

--------------------------

94-340:10=12*5

60=60

3) 484:4+X=210

121+X=210

X=210-121

X=89

-------------------------

484:4+89=210

210=210