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用简便方法计算下面各题:25+96+35+4;4×13×25×5;25×32×15;918-233-167-518;38×14+162×14;7000÷25÷4.

题目详情
用简便方法计算下面各题:
25+96+35+4;     
4×13×25×5;     
25×32×15;
918-233-167-518;
38×14+162×14;    
7000÷25÷4.
▼优质解答
答案和解析
(1)25+96+35+4,
=(25+35)+(96+4),
=60+100,
=160;

(2)4×13×25×5,
=4×25×(13×5),
=100×65,
=6500;

(3)25×32×15,
=25×4×8×15,
=25×4×(8×15),
=100×120,
=12000;

(4)918-233-167-518
=918-518-(233+167),
=400-400,
=0;

(5)38×14+162×14
=(38+162)×14,
=200×14,
=2800;

(6)7000÷25÷4
=7000÷(25×4),
=7000÷100,
=70.