
笔算,带△的要验算.△964÷6=585÷3=△980÷7=725÷7
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964÷6=160…4.
验算:
585÷3=175.
980÷7=140.
验算:
725÷7=103…4.
|
6 |
3 6 |
3 6 |
4 |
验算:
|
. |
9 6 0 |
+ 4 |
9 6 4 |
585÷3=175.
|
3 |
2 8 |
2 7 |
1 5 |
1 5 |
0 |
980÷7=140.
|
7 |
2 8 |
2 8 |
0 |
验算:
|
. |
9 8 0 |
725÷7=103…4.
|