问题
解答题
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.
答案
(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.