(-2/9)×(-18)+(-5/11)×(-3)×2又1/5【(-2)×(-4)+(-5)】×【-3-(-2)×(-3)】(过程要)(-30又3/4)÷(-15)【过程要】(-0.33)÷1/3÷(-9)【过程要】-9÷0.25×(-11/12)(-81)÷2又1/4×4/9÷(-16

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(-2/9)×(-18)+(-5/11)×(-3)×2又1/5【(-2)×(-4)+(-5)】×【-3-(-2)×(-3)】(过程要)(-30又3/4)÷(-15)【过程要】(-0.33)÷1/3÷(

(-2/9)×(-18)+(-5/11)×(-3)×2又1/5【(-2)×(-4)+(-5)】×【-3-(-2)×(-3)】(过程要)(-30又3/4)÷(-15)【过程要】(-0.33)÷1/3÷(-9)【过程要】-9÷0.25×(-11/12)(-81)÷2又1/4×4/9÷(-16
(-2/9)×(-18)+(-5/11)×(-3)×2又1/5
【(-2)×(-4)+(-5)】×【-3-(-2)×(-3)】(过程要)
(-30又3/4)÷(-15)【过程要】
(-0.33)÷1/3÷(-9)【过程要】
-9÷0.25×(-11/12)
(-81)÷2又1/4×4/9÷(-16)
-120×(-3又8/9)+(-7)×(3又8/9)+37×(-3又8/9)

(-2/9)×(-18)+(-5/11)×(-3)×2又1/5【(-2)×(-4)+(-5)】×【-3-(-2)×(-3)】(过程要)(-30又3/4)÷(-15)【过程要】(-0.33)÷1/3÷(-9)【过程要】-9÷0.25×(-11/12)(-81)÷2又1/4×4/9÷(-16
1,X(原式)=(8-5)*(-3-6)=3*(-9)=-27
2 X=(-123/4)÷(-15)=123/60=41/20
3,X=0.33*3*9=8.91
4,X=9*4*11/12=33
5,X=81*9/4*4/9*1/16=81/16(5.0625)
6,X=(120-7-37)*(35/9)=2660/9(295又5/9)