问题
解答题
| 用递等式计算，能简算的要简算 14×75-624÷39 （7.6-3.6÷2）×1.5
|
答案
（1）14×75-624÷39
=150×7-208÷13，
=1050-16，
=1034；
（2）（7.6-3.6÷2）×1.5
=（7.6-1.8）×1.5，
=5.8×1.5，
=8.7；
（3）
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| 15 |
=
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=
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| 7 |
=
| 3 |
| 35 |
（4）
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=
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| 1 |
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| 1 |
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=（
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=
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| 1 |
| 9 |
=
| 1 |
| 7 |
（5）
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=
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=
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=
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| 9 |
（6）
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| 11 |
| 2 |
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=
| 7 |
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| 2 |
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=
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| 1 |
| 10 |
=
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=
| 70 |
| 11 |