试题:
72×38+62×72+72132×101-13225×(4×68)1200÷(12×5)

答案:

我来补答
(1)72×38+62×72+72
=(38+62)×72+72,
=100×72+72,
=7200+72,
=7272;

(2)132×101-132
=132×(100+1)-132,
=132×100+132×132-132,
=13200+132-132,
=13200;

(3)25×(4×68)
=25×4×68,
=100×68,
=6800;

(4)1200÷(12×5)
=1200÷12÷5,
=100÷5,
=20.
 
 
展开全文阅读
剩余:2000
这些题目你会做吗?