Question

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Answer 1

Ответ:

Пошаговое объяснение:

a) x:0,8==3/4:0,15 =>

x=0,8×0,75:0,15=0,8×5=4

б) 5/6:х=4/9:4/5 =>

х=5/6×4/5:4/9=5/6×4/5×9/4=3/2=1 1/2

в) 5 3/8:х=6 1/9:1 12/43 =>

43/8 :х = 55/9 :55/43 =>

х=43/8 × 55/43 : 55/9 =43/8 ×55/43 × 9/55=

9/8=1 1/8