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用简便方法计算102×4769×96-96×5924×25.

题目详情
用简便方法计算
102×47             
69×96-96×59              24×25.
▼优质解答
答案和解析
(1)102×47,
=(100+2)×47,
=100×47+2×47,
=4700+94,
=4794;

(2)69×96-96×59,
=96×(69-59),
=96×10,
=960;

(3)24×25,
=6×4×25,
=6×(4×25),
=6×100,
=600.