计算。
|
| (1)原式=250×4×29 =1000×29 =29000 | (2)原式= 400×25+40×25 =10000+1000 =11000 |
| (3)原式=68-18 =50 | (4)原式=808+80 =888 |
| (5)原式=(78+22)×6 =100×6 =600 | (6)原式=(39+61)+50 =100+50 =150 |
| (7)原式=9×3 =27 | (8)原式=93÷31+31÷31 = 4 |
编辑:chaxungu时间:2026-04-27 13:24:45分类:小学数学题库
计算。
|
| (1)原式=250×4×29 =1000×29 =29000 | (2)原式= 400×25+40×25 =10000+1000 =11000 |
| (3)原式=68-18 =50 | (4)原式=808+80 =888 |
| (5)原式=(78+22)×6 =100×6 =600 | (6)原式=(39+61)+50 =100+50 =150 |
| (7)原式=9×3 =27 | (8)原式=93÷31+31÷31 = 4 |