3×(﹣2)的3次方-4×(﹣3)的2次方+8
=3×(﹣8)-4×9+8
=-24-36+8
=-52
﹣1-6分之1×【2-(﹣9)】
=-1-(1/6)×11
=-1-(11/6)
=-17/6
(﹣1)﹣(1﹣0.5)×3分之1×【2﹣(﹣2)的2次方】
=(-1)-(1/2)×(1/3)×(2-4)
=(-1)-(1/2)×(1/3)×(-2)
=(-1)+(1/3)
=-2/3
3×(﹣2)的3次方-4×(﹣3)的2次方+8
=3×(﹣8)-4×9+8
=-24-36+8
=-52
﹣1-6分之1×【2-(﹣9)】
=-1-(1/6)×11
=-1-(11/6)
=-17/6
(﹣1)﹣(1﹣0.5)×3分之1×【2﹣(﹣2)的2次方】
=(-1)-(1/2)×(1/3)×(2-4)
=(-1)-(1/2)×(1/3)×(-2)
=(-1)+(1/3)
=-2/3