8*24*5*25=(8*25)*(24*5)=200*120=24000
=25x25x4x2x3=100x50x3=15000
把括号打开,先计算8x1.25=10,然后计算5.2x10=52,最后52x5=260.
先算8*1.25再*5.27
=8*1.25*5.27=10*5.27=52.7
24x15x25=4x6x15x25=4x25x6x15=100x90=9000
25x8x4x5=(25x4)x(8x5)=100x40=4000
25x32x5简便运算方法=25x4x8x5=(25x4)x(8x5)=100x40=4000
(8 x 5.27) x 1.25=8 x 1.25 x 5.27=10 x 5.27=52.7希望我的回答对您有帮助,满意请采纳,谢谢.
5x8x2x25=(5*2)*2*(4*25)=20*100=2000