科目:xxsx 来源: 题型:
| 6.2+5.12+3.8 | 1200÷25÷4 | 13.7-8.9-1.1 |
| 57×101-57 | 78×45+22×45 | 125×32×25. |
科目:xxsx 来源: 题型:
| 8 |
| 17 |
| 17 |
| 8 |
| 5 |
| 6 |
| 7 |
| 8 |
| 3 |
| 4 |
科目:xxsx 来源: 题型:
| 7.8×9.8-14.5 | 13.4+5.62+17.6+4.38 | 3.6×42+4.2×64 |
| 4.8×12.5×0.8 | 1.76-[(0.74+0.26)÷0.8] | (1.89+1.4×3)÷0.25. |
科目:xxsx 来源: 题型:
| 下面各题,怎样算简便就怎样算. (1)9+
|
(2)
|
(3)
| ||||||||||||||||||||||
(4)
|
(5)0.8+
|
(6)
|
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:
| 能简便的要简便 20.4-0.8×0.4-0.68 |
(227÷25-4.68)×0.5 |
| 6.4×9.9+0.64 | 5.37×2.5+7.5×5.37. |
科目:xxsx 来源: 题型:
| 计算各题,能简便的要用简便方法计算. 1.25×25×3.2 |
4.75+0.25×
|
21×(1-
| ||||||||||||||||
15.75-(2
|
(6×
|
|
科目:xxsx 来源: 题型:
| 怎样简便就怎样计算 28.4×99+28.4 |
3.6×201 |
0.94×2.5-0.45 |
| 4×0.8×12.5×2.5 | 17.5÷0.25×17+13 | 12.5×32×2.5. |
科目:xxsx 来源: 题型:
| 4.45+0.63+5.55 | 5.28-(2.9+1.28) |
| 5.25+7.86-2.86+4.75 | 0.96一0.28+0.04一0.72. |
科目:xxsx 来源: 题型:
| 54㎡= 5400 5400 dm2 |
785ml= 785 785 cm3=0.785 0.785 dm3 |
| 805dm3= 0.805 0.805 m3 |
2L500mL= 2.5 2.5 L. |
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型: