1)
(480:60+13)×12 = (8+13)×12 = 21×12 = 252
2)
Ответ: 390 г
3)
P=(3+5)×2=8×2=16
S=3*5=15
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Answers & Comments
1)
(480:60+13)×12 = (8+13)×12 = 21×12 = 252
2)
Ответ: 390 г
3)
P=(3+5)×2=8×2=16
S=3*5=15