Решите по примеру -а)52*7 - 104 *21 б)38*9 - 38*72 в)64*9--128 * 5 Пример:174*8=1392 -17*16 =774*(8*2)=1392*2=2784-это ответ на второй пример в итоге- 174*16=2784
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