Question

вычисли 400-(320+20) (250+250)-30 150+(80+110) 100-(2×3+5) 5×2+(220-30) 4×2+2×(92-30)

Answer 1

вычеси 300-(320+20)= 40
(250+250)-30=470
150+(80+110)=340
100-(2 3+5)=86
5 2+(220-30)=200
4 2+2 (92-30)=52

Answer 2

80+110=190+150=340

Answer 3

2 3 +5=14 100-14=86

Answer 4

220-30=190 5 2 =190+10=200

Answer 5

92-30=62+10=72э

Answer 6

вот всё