题目内容
简算（写出简算的主要过程）
97
| 675×1.4+
| 12
|
（1）97
×
=(96+
)×
=96×
+
×
=1+
=1
；
（2）675×1.4+
×6
-6.75
=6.75×140+0.6×6.75-6.75
=6.75×（140+0.6-1）
=6.75×139.6
=942.3；
（3）12
×4
+125×0.26+1.25×32
=12.5×4.2+12.5×2.6+12.5×3.2
=12.5×（4.2+2.6+3.2）
=12.5×10
=125．
| 1 |
| 95 |
| 1 |
| 96 |
=(96+
| 96 |
| 95 |
| 1 |
| 96 |
=96×
| 1 |
| 96 |
| 96 |
| 95 |
| 1 |
| 96 |
=1+
| 1 |
| 95 |
=1
| 1 |
| 95 |
（2）675×1.4+
| 3 |
| 5 |
| 3 |
| 4 |
=6.75×140+0.6×6.75-6.75
=6.75×（140+0.6-1）
=6.75×139.6
=942.3；
（3）12
| 1 |
| 2 |
| 1 |
| 5 |
=12.5×4.2+12.5×2.6+12.5×3.2
=12.5×（4.2+2.6+3.2）
=12.5×10
=125．
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