Предмет: Математика, автор: Amanda20347

274. 63 * 101 = 63 (100 + 1) = 63 * 100 + 63 = 6300 + 63 = 6363 На основании этого сформулируйте правило умножения двузначно го числа на 101 и обоснуйте его. Применив это правило, умножте числа а) 54; b) 31; d) 86 на 101

Ответы

Автор ответа: aldiyardossov
4

Ответ:

54×101=54×(100+1)=54×100+54=5400+54=5494 ; 31×101=31×(100+1)=31×100+31=3100+31=3131


umirovb19: ты немного неправильно решил в 5400+54=5454
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