题目内容
列竖式计算,带★的验算.
36×18
70-52.8
38.8+5.02
315÷4=
★824÷8=
★85×34.
36×18
70-52.8
38.8+5.02
315÷4=
★824÷8=
★85×34.
(1)36×18=648
(2)70-52.8=17.2
(3)38.8+5.02=43.82
(4)315÷4=78.75
78.75
4
(5)824÷8=103
103
8
验算:
(6)85×34=2890
验算:
| |||||||
| 288 |
| 36 |
| 648 |
(2)70-52.8=17.2
| |||||||
| 17.2 |
(3)38.8+5.02=43.82
| |||||||
| 43.82 |
(4)315÷4=78.75
78.75
4
| 315 |
| 28 |
| 35 |
| 32 |
| 30 |
| 28 |
| 20 |
| 20 |
| 0 |
(5)824÷8=103
103
8
| 824 |
| 8 |
| 24 |
| 24 |
| 0 |
验算:
| |||||||
| 824 |
(6)85×34=2890
| |||||||
| 340 |
| 255 |
| 2890 |
验算:
| |||||||
| 170 |
| 272 |
| 2890 |
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