4/9-1/2×(2/3)的二次方+1/3÷[(-1.5)的二次方-2]

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4/9-1/2×(2/3)的二次方+1/3÷[(-1.5)的二次方-2]

4/9-1/2×(2/3)的二次方+1/3÷[(-1.5)的二次方-2]
4/9-1/2×(2/3)的二次方+1/3÷[(-1.5)的二次方-2]

4/9-1/2×(2/3)的二次方+1/3÷[(-1.5)的二次方-2]

原式=4/9-1/2*4/9+1/3÷1/4
=4/9-1/2*4/9+1/3*4
=4/9-2/9+4/3
=2/9+12/9
=14/9