-0.25²÷(-1/2)³+(1/3-1/2)×(-1)
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-0.25²÷(-1/2)³+(1/3-1/2)×(-1)
-0.25²÷(-1/2)³+(1/3-1/2)×(-1)
-0.25²÷(-1/2)³+(1/3-1/2)×(-1)
=0.5^4×2³+(-1/6)×(-1)
=0.5×1+1/6
=2/3
-0.25²÷(-1/2)³+(1/3-1/2)×(-1)
=
1/16÷(1/8)+(-1/6)×(-1)
=1/2+1/6
=2/3
-0.25²÷(-1/2)³+(1/3-1/2)×(-1)
=-(1/4)²÷(-1/8)+(2/6-3/6)x(-1)
=-1/16x(-8)+(-1/6)x(-1)
=1/2+1/6
=3/6+1/6
=4/6
=2/3