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

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 巧算：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 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 12.34.58.716.( ).( ). 23.45÷100 等于多少 巧算“12.34*56.78+876.6*5.678” 简算：12.34+23.41+34.12+41.23 17.85*5.3+12.34*4.7=? VF中VAL(12.34+56. 简便运算(好的加200分）3.45-8.7+16.55-1.32.5*4.410.9-3.74+0.93.6*10.17.3*4.6+5.4*7.30.45*184.7/(4.7/3.2)3.6-3.6*0.812.3*99+12.34.2/(0.7+1.4) 光合作用产生的热量34.56.kj是什么