
有理数混合运算
36乘(1/2-1/3)²=4乘(-3)²+6=-3/2乘【(-2/3)²-2】=【(-3)2乘方-(-5)²】除(-2)=...
36乘(1/2-1/3)²= 4乘(-3)²+6= -3/2乘【(-2/3)²-2】= 【(-3)2乘方-(-5)²】除(-2)=
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36*(1/2-1/3)²
=36*(1/6)^2
=1.
4*(-3)²+6
=4*9+6
=36+6
=42.
-3/2*[(-2/3)²-2]
=-3/2*(4/9-2)
=-2/3+3
=7/3.
[(-3)^2-(-5)^2]/(-2)
=(9-25)/(-2)
=(-16)/(-2)
=8.
=36*(1/6)^2
=1.
4*(-3)²+6
=4*9+6
=36+6
=42.
-3/2*[(-2/3)²-2]
=-3/2*(4/9-2)
=-2/3+3
=7/3.
[(-3)^2-(-5)^2]/(-2)
=(9-25)/(-2)
=(-16)/(-2)
=8.
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