题目内容
| 口算: 5.7+6.3= | 20.05+0.4= | 34.6-4.9= | 9-4.2= |
| 5.5÷11= | 8.2÷100= | 5.783×1000= | 2.5×4= |
| 0.01×8= | 12-1.2= | 4.7×0×0.4= | 125×1.7×0.8= |
5.7+6.3=12; 20.05+0.4=20.45; 34.6-4.9=29.7; 9-4.2=4.8;
5.5÷11=0.5; 8.2÷100=0.082; 5.783×1000=5783; 2.5×4=10;
0.01×8=0.08;12-1.2=10.8; 4.7×0×0.4=0; 125×1.7×0.8=170.
5.5÷11=0.5; 8.2÷100=0.082; 5.783×1000=5783; 2.5×4=10;
0.01×8=0.08;12-1.2=10.8; 4.7×0×0.4=0; 125×1.7×0.8=170.
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