计算1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2
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![计算1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2](/uploads/image/z/189520-16-0.jpg?t=%E8%AE%A1%E7%AE%971.2345%2A0.2345%2A2.469-1.2345%5E3-1.2345%2A0.2345%5E2)
计算1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2
计算1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2
计算1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2
1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2
=-1.2345*(-0.2345*2.469+1.2345^2+0.2345^2)
=-1.2345*(1.2345-0.2345)^2
=-1.2345*1^2
=-1.2345
1.2345*0.2345*2.469-1.2345^3-1.2345*0.2345^2
=-1.2345*(-0.2345*2.469+1.2345^2+0.2345^2)
=-1.2345*(1.2345-0.2345)^2
=-1.2345*1^2
=-1.2345