1.2345^2+0.7655^2+2.469X0.7655
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1.2345^2+0.7655^2+2.469X0.76551.2345^2+0.7655^2+2.469X0.76551.2345^2+0.7655^2+2.469X0.7655原式=(1.2345
1.2345^2+0.7655^2+2.469X0.7655
1.2345^2+0.7655^2+2.469X0.7655
1.2345^2+0.7655^2+2.469X0.7655
原式=(1.2345+0.7655)^2
=2^2
=4
1.2345^2+0.7655^2+2.469X0.7655
求:1.2345^2+2.469*0.7655+0.7655^2 用公式法
1.2345^2+0.7655^2+2.469*0.7655,求详细过程,谢谢!
初一简便计算1.2345^2+0.7655^2+2.469*0.7655
计算题:1.2345^5+0.7655^2+2.469*0.76552345^5+0.7655^2+2.469*0.7655
1.2345^2+0.7655^2+2.469x0.7655=?
1.2345^2+(0.7655)^2+2.469×0.7655-2.5^2
1.2345^2+0.7655^2+2.496*0.7655注:此题中2指平方.
1.2345的2次方+0.7655的2次方+2.469乘0.7655等于多少?十万火急!
1.2345^2+0.7655^2+2.469乘0.7655用简便方法做
一道初中de 简便运算数学题简便运算1.2345^2*0.7655^2+7.469*0.7655
1.2345的平方+07655的平方+2.469×0.76551.2345的平方+0.7655的平方+2.469x0.7655=1.2345²+0.7655²+2×1.2345×0.7655=(1.2345+0.7655)²=2²=4答案是这样,但是为什么1.2345²+0.7655²+2×1.2345×0.7655可以转化
初二上学期...整式的乘法..1.2345²+0.7655²+2.469*0.7655=1.2345²+2*1.2345*0.7655+0.7655 这步我还明白..=(1.2345+0.7655)² 到这步我就乱了...他少说了一步,自学不易..麻烦详细说下..=2²=4...他少
2道算术题2005的平方=?1.2345的平方+0.7655的平方+2.469×0.7655=?这两道题有简便运算吗?怎么算啊
1.2345²+0.7655²+2.469×0.7655
计算1.2345²+2.469×0.7655+0.7655²
1.2345*0.2345*3-1.2345平方+0.7655*0.469
完全平房和平方差1) (x-2y+3z)^2=2) (x-2)(2x+1)-3(2x-1)^2=3) 1.2345^2+0.7655^2+2.469*0.7655