(-11分之5)x0.125x(-2又5分之1)x(-16)
=-(5/11)x(1/8)x(11/5)x16
=-(5x1x11x16)÷(11x8x5)
=-(5÷5)x(11÷11)x(16÷8)
=-2负十二乘二分之一减三分之二加四分之三的和(-12)x(1/2)-(2/3+3/4)=-6-(8/12+9/12)=-6-17/12=-7又12分之5