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.