题目内容

脱式计算
(1)60506-19460÷35
(2)23072÷412×65
(3)184×38+116×38-11300
(4)(79691-46354)÷629
(5)325÷13×(266-250)
分析:(1)先算除法,再算减法;
(2)先算除法,再算乘法;
(3)根据乘法分配律进行计算;
(4)先算减法,再算除法;
(5)先算减法,再算除法,最后算乘法.
解答:解:
(1)60506-19460÷35,
=60506-556,
=59950;

(2)23072÷412×65,
=56×65,
=3640;

(3)184×38+116×38-11300,
=(184+116)×38-11300,
=300×38-11300,
=11400-11300,
=100;

(4)(79691-46354)÷629,
=33337÷629,
=53,

(5)325÷13×(266-250),
=325÷13×16,
=25×16,
=400.
点评:四则运算,先弄清运算顺序,然后再进一步计算,能简算的要简算.
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