Упростить выражение и найти его значение :а) 7.5х+4.6х-3.7х+0.5при х=0.01б) 3*(5...

vikaakram2005 @vikaakram2005

July 2022 1 2 Report

Упростить выражение и найти его значение :
а) 7.5х+4.6х-3.7х+0.5
при х=0.01

б) 3*(5.6х+3.7)+4*(2.8х-0.9)
при х=0.1

Answers & Comments

УченикМастера1 1) 7.5х+4.6х-3.7х+0.5=7.5×0.01+4.6×0.01-3.7×0.01+0.5=0.075+0.046-0.037+0.5=0.584
2) 3(5.6х+4.7)+4(2.8х-0.9)=16.8х+14.1+11.2х-3.6=16.8×0.1+14.1+11.2×0.1-3.6=1.68+14.1+1.12-3.6=13.3

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