五年級分數(shù)加減法口算2，小數(shù)加減法的口算100道帶答案3，小學一年級關(guān)于錢加減的數(shù)學口算題各30道1，五年級分數(shù)加減法口算5/6+7/85/8+9/101/3-1/54/7+4/96/11-3/73/8-3/162/5+3/42/3-1/48/9-5/62/9+1/182/3+1/67/9-1/31/7+1/81/4-2/97/8-6/132，小數(shù)加減法的口算100道帶答案1+1=21.2+1.5=2.71.3+1.5=2.80.2+1.2=1.41.3+1.08=2.385.5+2.1=7.67.8...