Упростите выражения и найдите его значение.
7,5x+4,6x-3,7x+0,5,при x=0,01
3(5,6x+3,7)+4(2,8x-0,9),при x=0,1
7,5x+4,6x-3,7x+0,5,при x=0,01
3(5,6x+3,7)+4(2,8x-0,9),при x=0,1
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Answers & Comments
7.5х+4.6х-3.7х=8.4х
8.4*0.01=0.084
0.084+0.5=0.584
2)3(5.6х+3.7)+4(2.8х-0.9)=
3*5.6х+3*3.7+4*2.8х-4*0.9=19.6х+11.1+11.2х-3.6=19.6*0.1+11.1+11.2*0.1-3.6=10.58