345+233= | 45×11= | 527-398= | 235-47-53= |
0.78+1.32= | = | 2.56+1.4= | 1.9×4×0.5= |
3.67÷100= | 3.25×1000= | 0.125×0.8= | 3.6+2.8+6.4= |
6.08×304≈ | 4838÷61≈ | 15-2.55= | = |
= | = | = | = |
解:345+233=578, | 45×11=495, | 527-398=129, | 235-47-53=135, |
0.78+1.32=2.1, | =, | 2.56+1.4=3.96, | 1.9×4×0.5=3.8, |
3.67÷100=0.0367, | 3.25×1000=325, | 0.125×0.8=0.1, | 3.6+2.8+6.4=12.8, |
6.08×304≈1800, | 4838÷61≈80, | 15-2.55=12.45, | =, |
=, | =, | =, | =9. |
科目:小学数学 来源: 题型:
直接写得数. 345+233= |
45×11= | 527-398= | 235-47-53= | ||||||||||||||||
0.78+1.32= |
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2.56+1.4= | 1.9×4×0.5= | ||||||||||||||||
3.67÷100= | 3.25×1000= | 0.125×0.8= | 3.6+2.8+6.4= | ||||||||||||||||
6.08×304≈ | 4838÷61≈ | 15-2.55= |
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