1) 200-7×2 = 200-14 = 1862) (130-25)×2 = 105×2 = 2103) 2×(116-112) = 2×4 = 84) 5×4+36÷9 = 20+4 = 245) 12-4+2×3 = 12-4+6 = 146) 24÷4-4 = 6-4 = 27) 18÷6×2 = 3×2 = 68) 630-120+240 = 510+240 = 7509) 630-(120+240) = 630-360 = 27010) 200+4×(2+3) = 200+4×5 = 200+20 = 220
1) 200-7×2 = 200-14 = 186
2) (130-25)×2 = 105×2 = 210
3) 2×(116-112) = 2×4 = 8
4) 5×4+36÷9 = 20+4 = 24
5) 12-4+2×3 = 12-4+6 = 14
6) 24÷4-4 = 6-4 = 2
7) 18÷6×2 = 3×2 = 6
8) 630-120+240 = 510+240 = 750
9) 630-(120+240) = 630-360 = 270
10) 200+4×(2+3) = 200+4×5 = 200+20 = 220