题目内容
计算下面各题．
13.8×4.5+6.2
8.032+12.6÷0.4
21.3×1.8-16.39
153÷0.51÷3．
13.8×4.5+6.2
8.032+12.6÷0.4
21.3×1.8-16.39
153÷0.51÷3．
（1）13.8×4.5+6.2
=62.1+6.2
=68.3
（2）8.032+12.6÷0.4
=8.032+31.5
=39.532
（3）21.3×1.8-16.39
=38.34-16.39
=21.95
（4）153÷0.51÷3
=300÷3
=100．
=62.1+6.2
=68.3
（2）8.032+12.6÷0.4
=8.032+31.5
=39.532
（3）21.3×1.8-16.39
=38.34-16.39
=21.95
（4）153÷0.51÷3
=300÷3
=100．
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