(-0.125)(-3/5)(-8)1又2/3(-5)

来源：学生作业学帮网编辑：学帮网时间：2024/06/01 02:46:43

(-0.125)*(-3/5)*(-8)*1又2/3*(-5)

（1+1/4)x-60
5/4x=60
x=60÷5/4
x=48
即a+b=0
cd=1
x=±2
所以原式=4+(0+1)x+0-1
=3+x
=3-2=1或3+2=5

=（0.125*8）*(3/5*5)*1又2/3
=1*3*5/3
=5