(-0.125)^12 * (-5/3)^7 * (-8)^13 * (-3/5)^9
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(-0.125)^12 * (-5/3)^7 * (-8)^13 * (-3/5)^9
谢
谢
![(-0.125)^12 * (-5/3)^7 * (-8)^13 * (-3/5)^9](/uploads/image/z/7818780-12-0.jpg?t=%EF%BC%88-0.125%EF%BC%89%5E12+%2A+%28-5%2F3%29%5E7+%2A+%28-8%29%5E13+%2A+%28-3%2F5%29%5E9)
一共是12+7+13+9=41个负号 所以结果为负
(-0.125)^12 * (-5/3)^7 * (-8)^13 * (-3/5)^9
=-0.125^12 * 5/3^7 * 8^13 * 3/5^9
=-0.125^12 * 5/3^7 * 8^12 * 8 * 3/5^7 * 3/5 * 3/5
=-(0.125^12 * 8^12) * (5/3^7 * 3/5^7) * 8 * 3/5 * 3/5
=-1 * 1 * 8 * 3/5 * 3/5
=-72/25
(-0.125)^12 * (-5/3)^7 * (-8)^13 * (-3/5)^9
=-0.125^12 * 5/3^7 * 8^13 * 3/5^9
=-0.125^12 * 5/3^7 * 8^12 * 8 * 3/5^7 * 3/5 * 3/5
=-(0.125^12 * 8^12) * (5/3^7 * 3/5^7) * 8 * 3/5 * 3/5
=-1 * 1 * 8 * 3/5 * 3/5
=-72/25
(-0.125)^12 * (-5/3)^7 * (-8)^13 * (-3/5)^9
-0.125的12次方×(5/3)的7次方×(-8)的13次方×(-3/5)的9次方 是不是等于(-209/25)?
(0.125)^12*(-1又3分之2)^9*(-8)^13*(-5分之3)^8
【急】(-0.125)的12次方×(-1又2/3)的7次方×8的13次方×(-3/5)d的9次方
计算:(—0.125)的12次方x(—1又2/3)的7次方x(—8)的13次方x(一3/5)的9次方
(-0.125)的12次方乘(-1又3分之2)的7次方乘(-8)的13次方乘(-5分之3)的9次方等于多少
8/3*5-12/5*7+16/7*9-20/9*11+24/11*13 急
0.75+(-2又3/4)+(+0.125)+(-12又5/7)+(-4又1/8)
(-5)*13/3+(-5)*(-13/2)-5*13/1+0.125*(-13/14)*(-8)
找规律填数:2,3,5,8,13,21,( ).1,4,9,16,( ),( ).6,3,8,5,10,7,12,9,(
简便运算 (5/2+25/4)×125 .13/7×7/1+13/8÷7 .3×(12/5+15/4)-9/4 .、 1
13/16×(9/13×17-9/13)-(12*4/5-3*5/13-2*8/13)