| 计算。(能简算的要简算) | ||||||
|
| (1)125×32×25 =125×8×(4×25) =100000 | (2)630÷14 =7×90÷(7×2) =45 | (3)135×99+135×2 |
| (4)42×73-42×63 =42×10 =420 | (5)102×32 =3200+64 =3264 | (6)280÷[(86-79)×4] =280÷28 =10 |
编辑:chaxungu时间:2026-04-27 13:22:20分类:小学数学题库
| 计算。(能简算的要简算) | ||||||
|
| (1)125×32×25 =125×8×(4×25) =100000 | (2)630÷14 =7×90÷(7×2) =45 | (3)135×99+135×2 |
| (4)42×73-42×63 =42×10 =420 | (5)102×32 =3200+64 =3264 | (6)280÷[(86-79)×4] =280÷28 =10 |