计算下面各题，能简算的要简算．
①0.65×101 ②76.43﹣5.33﹣4.67 ③3.4÷[7.8﹣（3.9+2.2）]
④13.7÷12.5÷0.8 ⑤3.25×8.4+6.75×8.4 ⑥[1.4×2﹣（0.65+0.55）]÷40．
相关试题
计算下面各题，能简算的要简算．
①0.65×101 ②76.43﹣5.33﹣4.67 ③3.4÷[7.8﹣（3.9+2.2）]
④13.7÷12.5÷0.8 ⑤3.25×8.4+6.75×8.4 ⑥[1.4×2﹣（0.65+0.55）]÷40．
﹣
+
=10﹣
=5﹣1.4﹣1.6=
+
﹣
．
×
）÷
×
+
÷
÷[1﹣（
+
）]．
×
+
÷15 12﹣6.25﹣3.75．
+
）×5×7（3）99×99+199．
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