简便运算。
|
| (1)原式=6×(8×125) =6×1000 =6000 | (2)原式=(100+1)×73 =7300+73 =7373 |
| (3)原式=25×4×19×3 =100×19×3 =5700 | (4)原式=(254-154)×136 =100×136 =13600 |
| (5)原式=25×8+12×8 =200+96 =296 | (6)原式= 4×25×725 =100×725 =72500 |
编辑:chaxungu时间:2026-04-27 13:19:22分类:小学数学题库
简便运算。
|
| (1)原式=6×(8×125) =6×1000 =6000 | (2)原式=(100+1)×73 =7300+73 =7373 |
| (3)原式=25×4×19×3 =100×19×3 =5700 | (4)原式=(254-154)×136 =100×136 =13600 |
| (5)原式=25×8+12×8 =200+96 =296 | (6)原式= 4×25×725 =100×725 =72500 |
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