0,36=36/100
36/100 х 2/3=12/100 х 2=24/100=0,24
15 х 7/10
1. 2x+14
2.35-7a
3.12c-76
4.42a-42b+154c
5.32a-24b+88c
6.90x+60y-30z
<span>a-24056=100000,
a=</span>100000+24056
<span>a=124056
y-339=18
y=18+339
y=357
m-3356=476
m=476+3356
m=3832
n-12758=6907
n=6907+12758
m=19665</span>
7,54k - 3,6k = 5,91
3,94k = 5,91
k = 5,91 : 3,94
k = 1,5
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Проверка: 7,54 * 1,5 - 3,6 * 1,5 = 5,91
11,31 - 5,4 = 5,91
5,91 = 5,91