1) 200-7×2 = 200-14 = 182) (130-25)×2 = 105×2 = 213) 2×(116-112) = 2×4 = 4) 5×4+36÷9 = 20+4 = 25) 12-4+2×3 = 12-4+6 = 16) 24÷4-4 = 6-4 = 7) 18÷6×2 = 3×2 = 8) 630-120+240 = 510+240 = 759) 630-(120+240) = 630-360 = 2710) 200+4×(2+3) = 200+4×5 = 200+20 = 220
1) 200-7×2 = 200-14 = 18
2) (130-25)×2 = 105×2 = 21
3) 2×(116-112) = 2×4 =
4) 5×4+36÷9 = 20+4 = 2
5) 12-4+2×3 = 12-4+6 = 1
6) 24÷4-4 = 6-4 =
7) 18÷6×2 = 3×2 =
8) 630-120+240 = 510+240 = 75
9) 630-(120+240) = 630-360 = 27
10) 200+4×(2+3) = 200+4×5 = 200+20 = 220