Question

2) (-2 2/5 - 1 1/3)×(-1 17/28)+(5 2/3-8 3/4)×(-8 3/4+5 2/3)помогите пажалуйста ришить

Answer 1

1) (-2 2/5 - 1 1/3)=-20-3.6=-23.6
2) (-1*17/28)=-0.60
3) (5*2/3-8 3/4)=3.3-6=-2.7
4) (-8 3/4+5 2/3)=-6+3.3=-2.7
5) -23.6*(-0.60)=+14.16
6) -2.7*(-2.7)=+7.29
7) 14.16+7.29=21.45
Ответ : 21.45