Question

. упростите выражение а) 5a+12.4+2.6+3.14+1.4a+0.4a+2.4 b)13/4+6+5/6+8/2b+7/28+17b+2/3

Answer 1

a) 5a+12.4+2.6+3.14+1.4a+0.4a+2.4= 6.8a+20.54
b)13/4+6+5/6+8/2b+7/28+17b+2/3=11+21b