问题 解答题

①347×216

②4090×430

③51340÷260

④214461÷423.

答案

①347×216=74952;

3 4 7

×2 1 6

----------------

2 0 8 2

3 4 7

6 9 4

----------------

7 4 9 5 2

②4090×430=1758700;

4 0 9 0

×4 3 0

----------------

1 2 2 7

1 6 3 6

----------------

1 7 5 8 7 0 0

③51340÷260=197…120;

1 9 7

260

51340

2 6 0

-----------------

2 5 3 4

2 3 4 0

------------------

1 9 4 0

1 8 2 0

------------------

1 2 0

④214461÷423=507;

5 0 7

423

214461

2 1 1 5

--------------------

2 9 6 1

2 9 6 1

--------------------

0

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