巧算：12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23=?

巧算：12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23=? 12.34+23.45+34.56+45.67+56.78+67.89+79 12.34+23.45+34.56+45.67+56.78+67.89 12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23=? 12.34+23.45+34.56+45.67+56.78.67.89+78.91+89.12+91.23= 12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23=多少 简便计算：12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23 简便计算 12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23 = = = 12.36+23.45+34.56+45.67+56.78+67.879+78.91+89.12+91.23=怎样简便怎样算~12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23= 12.34+23.45+34.56+45.67+56.78+67.89+78.91+89.12+91.23 如何算出他的简算过程 巧算“12.34*56.78+876.6*5.678” （12.34+45.67+67.89）÷（1.234+4.567+6.789）=? 巧算,方法.快!急! 12.34.58.716.( ).( ). 34.56-（4.56-3.7）= 6.6-2.91+3.4-1.09= 3.125+（6.875-1.72）-3.28= 4.99+4.99+4.99+0.04+4.99= 巧算 巧算! 巧算, 23.45÷100 等于多少 简算：12.34+23.41+34.12+41.23