简便计算0.88*25+0.25*12!
问题描述：
简便计算0.88*25+0.25*12!
还有32.52-（6+9.728/3.2）*2.5,这个可不可以简便算?
答
0.88 X 25 + 0.25 X 12
= 0.88 X 25 + 25 X 0.12
= 25 X ( 0.88 + 0.12 )
= 25 X 1
= 25
32.52 - ( 6 + 9.728 / 3.2 ) X 2.5
= 32.52 - 2.5 X 6 - 2.5 X 97.28 / 32
= 32.52 - 5 X 3 - 2.5 X 96 / 32 - 2.5 X 1.28 / 32
= 32.52 - 15 - 2.5 X 3 - 2.5 X 0.04
= 17.52 - 7.5 - 0.25 X 0.4
= 10.02 - 0.1
= 9.92