14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算
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14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算14.5*（
14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算
14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算
14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算
14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5
=10*（0.12+0.23+0.34）+4.5*（0.12+0.23+0.34）-4.5*（0.12+0.23+0.34）-4.5
=6.9-4.5
=2.4
14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5
=14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34)*4.5-4.5
=(0.12+0.23+0.34)*(14.5-4.5)-4.5
=0.69*10-4.5
=6.9-4.5
=2.4
14.5*（0.12+0.23+0.34）-（0.12+0.23+0.34+1）*4.5的简算
(0.12+0.23+0.34)×(0.23+0.34+0.45)-(0.12+0.23+0.34+0.45)×(0.23+0.34)
求解(1+0.12+0.23)*(0.12+0.23+0.34)-(1+0.12+0.23+0.34)*(0.12+0.23)=?
简便运算 (1+0.12+0.23)x(0.12+0.23+0.34)-(1+0.12+0.23+0.34)x(0.12+0.23)
(1+0.12+0.23)*(0.12+0.23+0.34)-(1+0.12+0.23+0.34)*(0.12+0.23)=
（1+0.12+0.23）×（0.12+0.23+0.34）- （1+0.12+0.23+0.34）×（0.12+0.23）.
(1+0.12+0.23)X(0.12+0.23+0.34)-(1+0.12+0.23+0.34)X(0.12+0.23)=?
(1+0.12+0.23)乘(0.12+0.23+0.34)_(1+0.12+0.23+0.34)乘(0.12+0.23)
简便运算（1+0.12+0.23）X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.23)
(1+0.12+0.23)x(0.12+0.23+0.34)-(1+0.12+0.23+0.34)x(0.12+0.23)等于几?用简便方法计算!
奥数简便运算（1+0.12+0.23）*（0.12+0.23+0.34）-（1+0.12+0.23+0.34）*（0.12+0.23）
（1+0.12+0.23）*（0.12+0.23+0.34）-（1+0.12+0.23+0.34）*（0.12+0.23）=简便方法
小数的简便运算:（1+0.12+0.23）×（0.12+0.23+0.34）—（1+0.12+0.23+0.34)×（0.12+0.23）
（0.12+0.23+0.34）*（0.23+0.34+0.45）-（0.12+0.23+0.34+0.45）*（032+034）简便计算
简便运算：（1+0.12+0.23）×（0.12+0.23+0.34）—（1+0.12+0.23+0.34)×（0.12+0.23） 用字母方法
求（1+0.12+0.23）×(0.12+0.23+0.34)-（1+0.12+0.23+0.34）×（0.12+0.23）的简便方法是简便
﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞
﹝1+0.12+0.23﹞*﹝0.12+0.23+0.34﹞—﹝1+0.12+0.23+0.34﹞*﹝0.12+0.23﹞