能简算的要简算
|
| (1)原式=165×(99+1) =16500 | (2)原式=75-5+18 =88 | (3)原式=5.35-(2.8+2.2) =0.35 |
| (4)原式=42×(4×25) =4200 | (5)原式=3.02+0.98-2.5 =1.5 | (6)原式=19.92-9.92+10.4 =20.4 |
编辑:chaxungu时间:2026-04-27 13:10:45分类:小学数学题库
能简算的要简算
|
| (1)原式=165×(99+1) =16500 | (2)原式=75-5+18 =88 | (3)原式=5.35-(2.8+2.2) =0.35 |
| (4)原式=42×(4×25) =4200 | (5)原式=3.02+0.98-2.5 =1.5 | (6)原式=19.92-9.92+10.4 =20.4 |