题目内容
能用简便方法的用简便方法计算．
105×32-3232÷32
125×3
×0.8×
(
-
)×63-
210.5×[（6.05-3.35）÷1.5]
(
-
)×
÷
0.75×16+
×5-75%．
105×32-3232÷32
125×3
| 1 |
| 3 |
| 3 |
| 10 |
(
| 1 |
| 7 |
| 1 |
| 9 |
| 2 |
| 3 |
210.5×[（6.05-3.35）÷1.5]
(
| 5 |
| 6 |
| 3 |
| 4 |
| 2 |
| 5 |
| 1 |
| 2 |
0.75×16+
| 3 |
| 4 |
（1）105×32-3232÷32，
=3360-101，
=3159；
（2）125×3
×0.8×
，
=125×0.8×（
×
），
=100×1，
=100；
（3）（
-
）×63-
，
=
×63-
×63-
，
=9-7-
，
=2-
，
=1
；
（4）210.5×[（6.05-3.35）÷1.5]，
=210.5×[（6.05-3.35）÷1.5]，
=210.5×[2.7÷1.5]，
=210.5×1.8，
=378.9；
（5）（
-
）×
÷
，
=（
-
）×
×2，
=
×
×2，
=
；
（6）0.75×16+
×5-75%，
=0.75×16+0.75×5-0.75，
=（16+5-1）×0.75，
=20×0.75，
=15．
=3360-101，
=3159；
（2）125×3
| 1 |
| 3 |
| 3 |
| 10 |
=125×0.8×（
| 10 |
| 3 |
| 3 |
| 10 |
=100×1，
=100；
（3）（
| 1 |
| 7 |
| 1 |
| 9 |
| 2 |
| 3 |
=
| 1 |
| 7 |
| 1 |
| 9 |
| 2 |
| 3 |
=9-7-
| 2 |
| 3 |
=2-
| 2 |
| 3 |
=1
| 1 |
| 3 |
（4）210.5×[（6.05-3.35）÷1.5]，
=210.5×[（6.05-3.35）÷1.5]，
=210.5×[2.7÷1.5]，
=210.5×1.8，
=378.9；
（5）（
| 5 |
| 6 |
| 3 |
| 4 |
| 2 |
| 5 |
| 1 |
| 2 |
=（
| 10 |
| 12 |
| 9 |
| 12 |
| 2 |
| 5 |
=
| 1 |
| 12 |
| 2 |
| 5 |
=
| 1 |
| 15 |
（6）0.75×16+
| 3 |
| 4 |
=0.75×16+0.75×5-0.75，
=（16+5-1）×0.75，
=20×0.75，
=15．
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