来自接道良的问题
初一数学.求速度.今天就要写完.(-4分之3)×[(-2)³-(-3分之2)-3分之1]==2.(-3)²-4分之3[(-3分之2)²-2³]-(-2分之1)³==3.-1-[1-(1-0.5×3分之1)]×[12-(+3)²]==4.-3-[-2+(1-0
初一数学.求速度.今天就要写完.
(-4分之3)×[(-2)³-(-3分之2)-3分之1]
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2.(-3)²-4分之3[(-3分之2)²-2³]-(-2分之1)³
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3.-1-[1-(1-0.5×3分之1)]×[12-(+3)²]
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4.-3-[-2+(1-0.2×5分之3)÷(-2)]
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5.{[+3分之2÷(-4分之1)+(-0.4)×(6又4分之1)]÷(-5分之3)-20}²×(-1)²
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1回答
2020-03-23 11:27