计算，能简算的要简算．（1）36×99（2）4.25+45+1.2+34（3）4.2×0.36+42×6.4%（4）9003-5544÷18×27
计算，能简算的要简算．（1）36×99（2）4.25+45+1.2+34（3）4.2×0.36+42×6.4%（4）9003-5544÷18×27（5）（45+14）÷7...
计算，能简算的要简算．（1）36×99（2）4.25+45+1.2+34（3）4.2×0.36+42×6.4%（4）9003-5544÷18×27 （5）（45+14）÷73+710 （6）[3.7-3.7×（3.7-3.7）]÷7.4．
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（1）36×99
=36×（100-1）
=36×100-36
=3600-36
=3564
（2）4.25+
+1.2+
=（4.25+
）+（
+1.2）
=5+2
=7
（3）4.2×0.36+42×6.4%
=4.2×0.36+42×0.064
=4.2×0.36+4.2×0.64
=4.2×（0.36+0.64）
=4.2×1
=4.2
（4）9003-5544÷18×27
=9003-5544÷18×27
=9003-308×27
=9003-8316
=687
（5）（
+
）÷
+
=
×
+
=
+
=
（6）[3.7-3.7×（3.7-3.7）]÷7.4
=[3.7-0]÷7.4
=3.7÷7.4
=0.5
=36×（100-1）
=36×100-36
=3600-36
=3564
（2）4.25+
| 4 |
| 5 |
| 3 |
| 4 |
=（4.25+
| 3 |
| 4 |
| 4 |
| 5 |
=5+2
=7
（3）4.2×0.36+42×6.4%
=4.2×0.36+42×0.064
=4.2×0.36+4.2×0.64
=4.2×（0.36+0.64）
=4.2×1
=4.2
（4）9003-5544÷18×27
=9003-5544÷18×27
=9003-308×27
=9003-8316
=687
（5）（
| 4 |
| 5 |
| 1 |
| 4 |
| 7 |
| 3 |
| 7 |
| 10 |
=
| 21 |
| 20 |
| 3 |
| 7 |
| 7 |
| 10 |
=
| 9 |
| 20 |
| 7 |
| 10 |
=
| 23 |
| 20 |
（6）[3.7-3.7×（3.7-3.7）]÷7.4
=[3.7-0]÷7.4
=3.7÷7.4
=0.5
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