(-36)+(-75)-(-16)-25 (-2/1-4/1+5/1)×(-20) -2的3次方+9/4-12×(-3/2)

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(-36)+(-75)-(-16)-25 (-2/1-4/1+5/1)×(-20) -2的3次方+9/4-12×(-3/2)
(-36)+(-75)-(-16)-25 (-2/1-4/1+5/1)×(-20) -2的3次方+9/4-12×(-3/2)

(-36)+(-75)-(-16)-25 (-2/1-4/1+5/1)×(-20) -2的3次方+9/4-12×(-3/2)
(-36)+(-75)-(-16)-25
=-36-75+16-25
=-75-25-36+16
=-100-20
=-120
(-1/2-1/4+1/5)×(-20)
=-20×(-1/2)-1/4×(-20)+1/5×(-20)
=10+5-4
=11
-2的3次方+4/9-12×(-2/3)
=-8+4/9+8
=4/9