6.2345²+0.2345²-6.2345×0.469
=6.2345²-2x6.2345x0.2345+0.2345²
=(6.2345-0.2345)²
=6²
=36
如果本题有什么不明白可以追问,
计算：6.2345²+0.2345²-6.2345×0.469
1个回答
相关问题
-
1.2345×0.2345×2.469-1.2345³-1.2345×0.2345²
-
1.2345*0.2345*2.469-1.2345³-1.2345*0.234² 等于-1.234
-
简算1.2345×1.2345+0.7655×0.7655+2.469×0.7655
-
（1）1.2345²+0.7655²+2.469×0.7655
-
1.2345的平方+07655的平方+2.469×0.7655
-
1.2345＾2+（0.7655）＾2+2.469×0.7655-2.5＾2
-
（1）1.2345^2+0.7655^2+2.469*0.7655
-
1.2345^2+0.7655^2+2.469x0.7655=?
-
求:1.2345^2+2.469*0.7655+0.7655^2 用公式法
-
计算：12345×2345+2469×38257．