Предмет: Математика, автор: катя4287

вычислить удобным способом 1) 0,5×74,8×2=? 2) 0,42×5,19+5,19×0,58

Ответы

Автор ответа: Костяша

0

0,5*74,8*2=(0,5*2)*74,8=1*74,8=74,8

0,42*5,19+5,19*0,58=5,19*(0,42+0,58)=5,19*1=5,19

Автор ответа: 1DUREX1

0

1) 0,5*74,8*2=(0,5*2)*74,8=1*74,8=?4,8
2) 0,42*5,19+5,19*0,58=5,19(0,42+0,58)=5,19*1=5,19

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