Question

вычислите значение выражения; 1) (8.4*0.55+3.28)*9.2-43.78;2) 14.7-3*(0.008+0.992)*(5*0.6-1.4)

Answer 1

1) (8.4*0.55+3.28)*9.2-43.78=(4,62+3,28)*9,2-43,78=7,9*9,1-43,78=
=71,89-43,78=28,11

2) 14.7-3*(0.008+0.992)*(5*0.6-1.4)=14,7-3*(3-1,4)=14,7-3*1,6=14,7-4,8=9,9