口算. 4.5+5.5 |
680+340 | 487+399 | 1-0.25 |
1200-700 | 5-0.8-1.2 | 90×300 | 7.4×100 |
4×(25×7) | 720÷60 | 1.27+0.73 | 120÷24 |
340-190 | 225-99 | 810÷27 | 3.9+2.03 |
1-0.2 | 50×13 | 23×4+27×4 | 8.2+0.54+0.46. |
解:4.5+5.5=10 | 680+340=1020 | 487+399=886 | 1-0.25=0.75 |
1200-700=500 | 5-0.8-1.2=3 | 90×300=27000 | 7.4×100=740 |
4×(25×7)=700 | 720÷60=12 | 1.27+0.73=2 | 120÷24=5 |
340-190=150 | 225-99=126 | 810÷27=30 | 3.9+2.03=5.93 |
1-0.2=0.8 | 50×13=650 | 23×4+27×4=200 | 8.2+0.54+0.46=9.2 |
科目:小學數學 來源: 題型:
口算 1.2÷0.2= |
2.5×4= | 0.25+4= | 1.87×0= |
3.5+0.5= | 1.2÷0.4= | 3.6÷4= | 0÷1.25= |
0.12×6= | 0.64×0.03= | 5.8+4.2-6.5= | 7.8÷3= |
0.125×8= | 2.8÷1.4= | 0.25÷0.5= | 7.21÷7= |
0.35÷10= | 3.6÷3= | 6.3÷0.9= | 0.54÷6= |
0.3×0.1= | 1.3÷2= | 0.4÷8=2 | 7.3÷3= |
0.51÷0.3= | 15÷0.01= | 5÷10= | 0.7×12= |
0.2×0.5= | 3.8×0.1= | 0.2×0.2= | 0.04×0.4= |
12.4+7.6= | 8×0.5= | 0.72÷36= | 9×2.5+2.5= |
1.8÷3= | 2.3÷2= | 6.5÷5= | 2.14÷2= |
2.5×4= | 2.7×2= | 0.5×7= | 4.8+3.6+5.2= |
3.4÷1.7= | 2.5+0.2= | 4.5÷5= | 5+2.8= |
0.8×0.3= | 13.5×2×0= | 5.25÷5= | 4×2.2= |
0.12×0.5= | 1.8×5= | 6.24÷2= | 2.83-1.43= |
1.2+2.9= | 3.8÷2= | 1.32×3= | 4.6×7= |
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科目:小學數學 來源: 題型:
口算: 2.5×0.7×0.8= |
(2.5+0.9)×0.4= | 42÷0.6= | 5.6×1.01= |
3.9+1.01= | 0.42= | 4.8t-0.2t-2t= | (5.5-5.5)÷3.3= |
1.52= | 3.3-0.7-0.3= |
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科目:小學數學 來源: 題型:解答題
口算: 2.5×0.7×0.8= | (2.5+0.9)×0.4= | 42÷0.6= | 5.6×1.01= |
3.9+1.01= | 0.42= | 4.8t-0.2t-2t= | (5.5-5.5)÷3.3= |
1.52= | 3.3-0.7-0.3= |
查看答案和解析>>
科目:小學數學 來源: 題型:解答題
口算 1.2÷0.2= | 2.5×4= | 0.25+4= | 1.87×0= |
3.5+0.5= | 1.2÷0.4= | 3.6÷4= | 0÷1.25= |
0.12×6= | 0.64×0.03= | 5.8+4.2-6.5= | 7.8÷3= |
0.125×8= | 2.8÷1.4= | 0.25÷0.5= | 7.21÷7= |
0.35÷10= | 3.6÷3= | 6.3÷0.9= | 0.54÷6= |
0.3×0.1= | 1.3÷2= | 0.4÷8=2 | 7.3÷3= |
0.51÷0.3= | 15÷0.01= | 5÷10= | 0.7×12= |
0.2×0.5= | 3.8×0.1= | 0.2×0.2= | 0.04×0.4= |
12.4+7.6= | 8×0.5= | 0.72÷36= | 9×2.5+2.5= |
1.8÷3= | 2.3÷2= | 6.5÷5= | 2.14÷2= |
2.5×4= | 2.7×2= | 0.5×7= | 4.8+3.6+5.2= |
3.4÷1.7= | 2.5+0.2= | 4.5÷5= | 5+2.8= |
0.8×0.3= | 13.5×2×0= | 5.25÷5= | 4×2.2= |
0.12×0.5= | 1.8×5= | 6.24÷2= | 2.83-1.43= |
1.2+2.9= | 3.8÷2= | 1.32×3= | 4.6×7= |
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