-1/6+1/2= 3-|-5|= 2x(-3) -3/4x(-2/3) -8/5除以(-0.4)= -(-5)²= -3/5²=
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-1/6+1/2=3-|-5|=2x(-3)-3/4x(-2/3)-8/5除以(-0.4)=-(-5)²=-3/5²=-1/6+1/2=3-|-5|=2x(-3)-3/4x(-2/
-1/6+1/2= 3-|-5|= 2x(-3) -3/4x(-2/3) -8/5除以(-0.4)= -(-5)²= -3/5²=
-1/6+1/2= 3-|-5|= 2x(-3) -3/4x(-2/3) -8/5除以(-0.4)= -(-5)²= -3/5²=
-1/6+1/2= 3-|-5|= 2x(-3) -3/4x(-2/3) -8/5除以(-0.4)= -(-5)²= -3/5²=
-1/6+1/2=-1/6+3/6 =-1/3
3-|-5|=3-5=-2
2x(-3) -3/4x(-2/3) -8/5除以(-0.4)
= -8+1/2+8/5×5/2
=-8+1/2+4
=-4+1/2
=-7/2
-(-5)²=-25
-3/5²=-3/25 如果是整个分数的平方,则-(3/5)²=-9/25 (-3/5)²=9/25