80 БАЛЛОВ ❗❗❗❗❗❗помогите с 2

Onimezhnig @Onimezhnig

July 2022 1 10 Report

80 БАЛЛОВ ❗❗❗❗❗❗
помогите с 2 - 3 и 4

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denis777yandru

Verified answer

2) 7x*15=3*14; 105x=42, x=42/105=2/5, тогда 0,2x=1/5*2/5=2/25=0,08
3) 0,1x=20, x=200, тогда 3х-2=3*200-2=598
4) 7х*6=13.3*4.2, 42х=55,86, х=1.33, тогда 100х=100*1.33=133

0 votes Thanks 2

miki68 получается, во всех 3-х нет правильного ответа?

ppp6491 Именно так.

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