问题 解答题

计算下面各题.(能简算的要简算)

(1)4.7+2.58-2.3;

(2)51.41-19.25-10.75;

(3)37×108+2680÷67;

(4)72.8-3.64+10.76.

答案

(1)4.7+2.58-2.3

=7.28-2.3

=4.98;

(2)51.41-19.25-10.75

=51.41-(19.25+10.75)

=51.41-30

=21.41;

(3)37×108+2680÷67

=3996+40

=4036;

(4)72.8-3.64+10.76

=69.16+10.76

=79.92.

单项选择题 A1/A2型题
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