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用你喜欢的方法计算.199+264275-(137+75)87×53+87×47125×25×3288×199+8825×44270÷54125×36-25×36600÷25

题目详情
用你喜欢的方法计算.
199+264          275-(137+75)87×53+87×47
125×25×32         88×199+88            25×44
270÷54            125×36-25×36          600÷25
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答案和解析
(1)199+264  
=200+264-1
=464-1
=463;
(2)275-(137+75)
=275-75-137
=200-137
=63;
(3)87×53+87×47
=87×(53+47)
=87×100
=8700;
(4)125×25×32  
=125×25×(8×4)
=(125×8)×(25×4)
=1000×100
=100000;
(5)88×199+88 
=88×(199+1)
=88×200
=17600;
(6)25×44
=25×(4×11)
=25×4×11
=100×11
=1100;
(7)270÷54
=270÷(27×2)
=270÷27÷2
=10÷2
=5;
(8)125×36-25×36 
=(125-25)×36
=100×36
=3600;
(9)600÷25
=(600×4)÷(25×4)
=2400÷100
=24.