题目内容
算一算.
解:(1)225+135×4,
=225+540,
=765;
(2)600-246×2,
=600-492,
=108;
(3)460×5-900,
=2300-900,
=1400;
(4)5465+2128-1329,
=7593-1328,
=6264;
(5)426×(8-3),
=426×5,
=2130;
(6)3200+48÷6,
=3200+8,
=3208.
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)从左向右进行计算即可,
(5)先算小括号里的减法,再算括号外的乘法,
(6)先算除法,再算加法.
点评:本题考查了整数四则混合运算的顺序.
=225+540,
=765;
(2)600-246×2,
=600-492,
=108;
(3)460×5-900,
=2300-900,
=1400;
(4)5465+2128-1329,
=7593-1328,
=6264;
(5)426×(8-3),
=426×5,
=2130;
(6)3200+48÷6,
=3200+8,
=3208.
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)从左向右进行计算即可,
(5)先算小括号里的减法,再算括号外的乘法,
(6)先算除法,再算加法.
点评:本题考查了整数四则混合运算的顺序.
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