计算。
|
| (1)420÷7-20 =60-20 = 40 | (2)350+100×4 =350+400 =750 |
| (3)63-63÷3 =63-21 = 42 | (4)24×2+14 = 48+14 =62 |
| (5)64÷2+68 =32+68 =100 | (6)80×5-100 = 400-100 =300 |
| (7)430-1500÷5 = 430-300 =130 | (8)(20+3)×3 =23×3 =69 |
编辑:chaxungu时间:2026-04-27 13:23:30分类:小学数学题库
计算。
|
| (1)420÷7-20 =60-20 = 40 | (2)350+100×4 =350+400 =750 |
| (3)63-63÷3 =63-21 = 42 | (4)24×2+14 = 48+14 =62 |
| (5)64÷2+68 =32+68 =100 | (6)80×5-100 = 400-100 =300 |
| (7)430-1500÷5 = 430-300 =130 | (8)(20+3)×3 =23×3 =69 |