Question

(x-12)×11=77

96:(80:x)=6


Примеры5

68+(80-54)-(100-75)=?

(34+27+19)-(71-54+26)=?

Answer 1

Ответ:

(x - 12-)× 11 = 77

x - 12 = 77 / 11 и x - 12 = 7 и X = 19

96:(80 / X )= 6

80:x=9 6:6

80 :x=16

x=80:16

x=5

Answer 2

Ответ:

1) x=77÷11+12

x=19

2) x=80÷(96÷6)

x=5

3) 68+(80-54)-(100-75)=69

4) (34+27+19)-(71-54+26)=37