科目:xxsx 来源: 题型:
| 用简便方法计算. 6.45×102 |
0.47×0.5×0.8 |
0.46×1.9+0.54×1.9 |
| 0.027+9.9×0.27 | 15.8×69.3-68.3×15.8 | 1.25×32×2.5. |
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:解答题
| 用简便方法计算. 6.45×102 | 0.47×0.5×0.8 | 0.46×1.9+0.54×1.9 |
| 0.027+9.9×0.27 | 15.8×69.3-68.3×15.8 | 1.25×32×2.5. |
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:解答题
科目:xxsx 来源: 题型:
| 7.9+0.46-0.9+0.54 | 30÷2.5+1.6×2.5 | 1.25×19.4×0.8 | 4.3×10.2. |
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:
直接写出得数
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0.9-0.26= |
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2-
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130×20= | 11.3×7.05= | 44÷
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0÷
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5-1.4-1.6= | 12×(
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46×39≈ |
科目:xxsx 来源: 题型:
| 0.56÷0.04= | 1.44÷2= | 24.6÷0.6= | 4.5÷0.15= |
| 0.63÷0.09= | 12.84÷1.2= | 3.9÷0.13= | 1.6÷1.6= |
| 20÷0.25= | 1.3÷2.5= | 100÷12.5= | 7.8÷0.13= |
| 3.24÷0.8= | 13×1.1= | 5.46÷3= | 4.07×3= |
| 5.28t-1.99t= | 0.6+89= | 5.7×0.1= | 1.6÷0.4= |
| 6÷0.3= | 5÷0.25= | 0.45×3= | 0.35×8= |
| 7.1-0.76= | 1.2×0.3= | 0.76÷4= | 1.9×0.8= |
| 4.2-2.8= | 7.2÷1.6= | 19.8+3.2= | 18-17.45= |
| 4.5+1.5= | 0.75x+0.25x= | 2.5×4= | 0.46÷2= |
| 0.7×1.4= | 1-0.92= | 8×0.125= | 3.4÷20= |
| 10a-1.8a= | 4.8×0.2= | 0.3÷0.15= | 0.15÷2= |
| 0.2×0.5= | 2.2-1.8= | 3.1+1.75= | 32.8+1.9= |
| 0.42×0.5= | 0.76+1.24= | 3.06-0.72= | 0.51÷17= |
| 5.2÷13= | 8.2×0.01= | 1.72-0.73= | 1.6×0.4= |
| 4.8b+3.2b= | 2.5×4= | 0.3×101= | 1.2×0.5= |
科目:xxsx 来源: 题型:
| 19.8×0.54÷0.081 | *0.25×32×1.25 | 1.89÷0.54-7.1÷2.5 |
| *0.25×26×40 | *8.7×99 | *3.14×7.9+31.4×0.21. |
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:
科目:xxsx 来源: 题型:解答题
| 0.56÷0.04= | 1.44÷2= | 24.6÷0.6= | 4.5÷0.15= |
| 0.63÷0.09= | 12.84÷1.2= | 3.9÷0.13= | 1.6÷1.6= |
| 20÷0.25= | 1.3÷2.5= | 100÷12.5= | 7.8÷0.13= |
| 3.24÷0.8= | 13×1.1= | 5.46÷3= | 4.07×3= |
| 5.28t-1.99t= | 0.6+89= | 5.7×0.1= | 1.6÷0.4= |
| 6÷0.3= | 5÷0.25= | 0.45×3= | 0.35×8= |
| 7.1-0.76= | 1.2×0.3= | 0.76÷4= | 1.9×0.8= |
| 4.2-2.8= | 7.2÷1.6= | 19.8+3.2= | 18-17.45= |
| 4.5+1.5= | 0.75x+0.25x= | 2.5×4= | 0.46÷2= |
| 0.7×1.4= | 1-0.92= | 8×0.125= | 3.4÷20= |
| 10a-1.8a= | 4.8×0.2= | 0.3÷0.15= | 0.15÷2= |
| 0.2×0.5= | 2.2-1.8= | 3.1+1.75= | 32.8+1.9= |
| 0.42×0.5= | 0.76+1.24= | 3.06-0.72= | 0.51÷17= |
| 5.2÷13= | 8.2×0.01= | 1.72-0.73= | 1.6×0.4= |
| 4.8b+3.2b= | 2.5×4= | 0.3×101= | 1.2×0.5= |