Ответ:
9×(10-c) = 90-9c.
(b-6)×7 = 7b-42.
1. 9*(5х+2)=45х+18
2. (10+7х)*6=60+42х
3. (3у-5)*3=9у-15
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Ответ:
9×(10-c) = 90-9c.
(b-6)×7 = 7b-42.
Ответ:
1. 9*(5х+2)=45х+18
2. (10+7х)*6=60+42х
3. (3у-5)*3=9у-15