Question

Как решить х:(80:5)=20

Answer 1

16/x=20
16/x=20/1
16=20x
x=16/20=0,8

Answer 2

Х : (80:5)=20
Х:16= 20
Х= 16*20
Х= 320
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З20:(80:5)=20
320 :16 = 20
20=20