计算下面各题.(能简算的要简算)
10-×(+)×××(+)×24×××5×+×2×+×16××(9×)
网友回答
解:(1)10-×,
=10-,
=9;
(2)(+)×,
=×,
=;
(3)××=;
(4)(+)×24,
=×24+×24,
=6+3,
=9;
(5)×××=8;(6)5×+×2,
=+,
=4;
(7)×+×,
=×(+),
=×5,
=14;
(8)16××(9×),
=16××9×,
=48.
解析分析:(1)先算乘法,再算减法;
(2)先算括号里面的,再算括号外面的;
(3)(5)(8)先约分,再计算即可;
(4)(7)根据乘法分配律简便计算;
(6)先算乘法,再算加法.
点评:考查了分数的四则混合运算和分数的简便计算,注意灵活运用运算律简便计算.