这么简单?我也是初一的 设1.2345为a 你们应该学了因式分解了吧,你把a带进去就可以算了.
1.2345×0.2345×2.469-1.2345³-1.2345×0.2345²
3个回答
相关问题
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计算:6.2345²+0.2345²-6.2345×0.469
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简算1.2345×1.2345+0.7655×0.7655+2.469×0.7655
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1.2345*0.2345*2.469-1.2345³-1.2345*0.234² 等于-1.234
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(1)1.2345²+0.7655²+2.469×0.7655
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1.2345的平方+07655的平方+2.469×0.7655
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1.2345^2+(0.7655)^2+2.469×0.7655-2.5^2
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(1)1.2345^2+0.7655^2+2.469*0.7655
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1.2345^2+0.7655^2+2.469x0.7655=?
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计算:12345×2345+2469×38257.
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(2345×3456-1234×4567)÷(5555+6666)