计算下面各题:356+75×4809×3-9002100-450×4(500-437)÷8.
网友回答
解:(1)356+75×4,.
=356-300,
=56;
(2)809×3-900,
=2427-900,
=1527;
(3)2100-450×4,
=2100-1800,
=300;
(4)(500-437)÷8,
=63÷8,
=7…7.
解析分析:(1)先算乘法,再算加法;(2)先算乘法,再算减法;(3)先算乘法,再算减法;(4)先算小括号里的减法,再算除法.
点评:考查了整数四则混合运算的顺序.