Помогите решить пж х*81=243 526/х=263 (это деления/) 30*х+12*х=252 180/(3*х+6*х)=10 (12*х-3*х)/18=10. Created by Yakuza228. matematika-ru

18=10...

Yakuza228 @Yakuza228

July 2022 2 2 Report

Помогите решить пж
х*81=243
526/х=263 (это деления/)
30*х+12*х=252
180/(3*х+6*х)=10
(12*х-3*х)/18=10

lovea07 Х=243/81=3
х=526/263=2
42х=252 х=252/42=6
180/9х=10 9х=180/10=18 х=18/8 х=2
9х/18=10 9х=10*18=180 х=180/9=20

2 votes Thanks 1

lexa66666666 X*81=243
x=243/81
х=3

526/х=263
х=526/263
х=2

30*х+12*х=252
30х+12х=252
42х=252
х=252/42
х=6

180/(3*х+6*х)=10
180/9х=10
9х=180/10
9х=18
х=18/9
х=2

(12*х-3*х)/18=10
9х/18=10
9х=10*18
9х=180
х=180/9
х=20

0 votes Thanks 1

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