数学有理数乘方-2的3次方+9分之4×(-3分之2)的2次方(-3)×(-5)-45÷(-15)(-2.5)×(-4.8)÷(-1.6)3×(-4)+(-28)÷71.2×(-4分之3)-(-1.5)÷6分之52的三次方+(-3)×(-2)的2次方[(-1)的
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![数学有理数乘方-2的3次方+9分之4×(-3分之2)的2次方(-3)×(-5)-45÷(-15)(-2.5)×(-4.8)÷(-1.6)3×(-4)+(-28)÷71.2×(-4分之3)-(-1.5)÷6分之52的三次方+(-3)×(-2)的2次方[(-1)的](/uploads/image/z/10158180-60-0.jpg?t=%E6%95%B0%E5%AD%A6%E6%9C%89%E7%90%86%E6%95%B0%E4%B9%98%E6%96%B9-2%E7%9A%843%E6%AC%A1%E6%96%B9%2B9%E5%88%86%E4%B9%8B4%C3%97%EF%BC%88-3%E5%88%86%E4%B9%8B2%EF%BC%89%E7%9A%842%E6%AC%A1%E6%96%B9%EF%BC%88-3%EF%BC%89%C3%97%EF%BC%88-5%EF%BC%89-45%C3%B7%EF%BC%88-15%EF%BC%89%EF%BC%88-2.5%EF%BC%89%C3%97%EF%BC%88-4.8%EF%BC%89%C3%B7%EF%BC%88-1.6%EF%BC%893%C3%97%EF%BC%88-4%EF%BC%89%2B%EF%BC%88-28%EF%BC%89%C3%B771.2%C3%97%EF%BC%88-4%E5%88%86%E4%B9%8B3%EF%BC%89-%EF%BC%88-1.5%EF%BC%89%C3%B76%E5%88%86%E4%B9%8B52%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%2B%EF%BC%88-3%EF%BC%89%C3%97%EF%BC%88-2%EF%BC%89%E7%9A%842%E6%AC%A1%E6%96%B9%5B%28-1%29%E7%9A%84)
数学有理数乘方-2的3次方+9分之4×(-3分之2)的2次方(-3)×(-5)-45÷(-15)(-2.5)×(-4.8)÷(-1.6)3×(-4)+(-28)÷71.2×(-4分之3)-(-1.5)÷6分之52的三次方+(-3)×(-2)的2次方[(-1)的
数学有理数乘方
-2的3次方+9分之4×(-3分之2)的2次方
(-3)×(-5)-45÷(-15)
(-2.5)×(-4.8)÷(-1.6)
3×(-4)+(-28)÷7
1.2×(-4分之3)-(-1.5)÷6分之5
2的三次方+(-3)×(-2)的2次方
[(-1)的3次方-(-1)的2次方]÷[(-2分之1)的2次方-4分之3]
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数学有理数乘方-2的3次方+9分之4×(-3分之2)的2次方(-3)×(-5)-45÷(-15)(-2.5)×(-4.8)÷(-1.6)3×(-4)+(-28)÷71.2×(-4分之3)-(-1.5)÷6分之52的三次方+(-3)×(-2)的2次方[(-1)的
-2的3次方+9分之4×(-3分之2)的2次方
=-8+(4/9)*(4/9)
=-8+16/81
=-632/81,
(-3)×(-5)-45÷(-15)
=15+3
=18,
(-2.5)×(-4.8)÷(-1.6)
=2.5*3
=7.5,
3×(-4)+(-28)÷7
=-12-4
=-16,
1.2×(-4分之3)-(-1.5)÷6分之5
=-0.9+(3/2)*(6/5)
=-0.9+1.8
=0.9,
2的三次方+(-3)×(-2)的2次方
=8-12
=-4,
[(-1)的3次方-(-1)的2次方]÷[(-2分之1)的2次方-4分之3]
=[-1-1]÷[1/4-3/4]
=-2÷(-1/2)
=4.
-8+4/9 * 4/9=-7
2.5*3=7.5
-12-4=-16
-0.9-(-1.8)=0.9
8+(-12)=-4
[-1-1]/[1/4 -3/4]=4