1.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0.345
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1.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0.3451.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0
1.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0.345
1.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0.345
1.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0.345
=1.345*0.345*(2.69-0.345)-1.345*1.345*1.345
=1.345*0.345*2.345-1.345*1.345*1.345
=1.345*[(1.345-1)(1.345+1)-1.345*1.345]
=1.345*(-1)
=-1.345
1.345*0.345*2.69-1.345*1.345*1.345-1.345*0.345*0.345
1.345 × 0.345× 2.69 -1.345×1.345-1.345×0.345×0.345
1.345*0.345*2.69-1.345^3-1.345*0.345^2
1.345×0.345×2.69-1.345的平方-1.345×0.345的平方
1.345*0.345*2.69-1.345^2-1.345*0.345^2
1.345*0.345*2.69-1.345^3-1.345^3*0.345^2help!
0.345²+1.345²-0.345×2.69
用简便运算计算 1.345×0.345×2.69-1.3453-1.345×0.3452
1.345*2.69-1.345^2-0.345^2计算过程是?
运用整式乘法公式 0.345^2 +1.345^2-0.345*2.69
1.345的平方-0.345×2.69+0.345的平方
1.345²-0.345×2.69+0.345²
计算:1.345×0.345×2.69-1.345²-1.345×0.345²×21.345×0.345×2.69-1.345²-1.345×0.345²×2请注意题目并没有错误!还有速度、质量
1.345×0.345×2.69—1.345^2-1.345×0.345^2等于多少
1.345×0.345×2.69—1.345^2-1.345×0.345^2×2简便计算
计算1.345*0.345*2.69-1.345^2-1.345*0.345^2看清楚!
1.345×0.345×2.69-1.345的三次方-1.345×0.345平方=
1.345乘0.345乘2.69-1.345的平方-1.345乘0.345的平方乘2