用简便方法计算．1516÷58÷34(49+821)÷2389÷57×1514(910-315)÷352079÷45-79÷451479÷14．-六年级数学
=
| 4 |
| 9 |
| 3 |
| 2 |
| 8 |
| 21 |
| 3 |
| 2 |
=
| 2 |
| 3 |
| 4 |
| 7 |
=
| 26 |
| 21 |
（3）
| 8 |
| 9 |
| 5 |
| 7 |
| 15 |
| 14 |
=
| 8 |
| 9 |
| 7 |
| 5 |
| 15 |
| 14 |
=
| 4 |
| 3 |
（4）（
| 9 |
| 10 |
| 3 |
| 15 |
| 3 |
| 5 |
=（
| 9 |
| 10 |
| 1 |
| 5 |
| 5 |
| 3 |
=
| 9 |
| 10 |
| 5 |
| 3 |
| 1 |
| 5 |
| 5 |
| 3 |
=
| 3 |
| 2 |
| 1 |
| 3 |
=
| 7 |
| 6 |
（5）20
| 7 |
| 9 |
| 4 |
| 5 |
| 7 |
| 9 |
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