计算练习一
一、口算题
1-0.01= 0.2×0.3= 0.32÷0.4= 0.5-0.05= 3.5×0.2= 2.5+6.5= 1÷0.01= 10÷0.5= 2.4×5= 0.72÷0.9=
二、简便计算
13.6+(4.28+6.4)+5.72 147.3
1.25×7×0.8 8.6
三、坚式计算
27×41=
66×57=
-28.4-71.6 139.46÷4.5+18.4÷4.5 43×46= 47×33=
—(58.74+19.46) 25×23=
计算练习二
一、口算题
1-0.01= 0.2÷0.01= 4.8 + 2 = 0.25×40= 9.6÷32= 1-0.37= 4.3+0.57= 1.25×16= 2二、简便计算
12.4÷0.25 (24+9.6÷2.4)×0.5 3.83
5.6÷3.5 (7.2-0.4)×25
三、坚式计算
87×10= 84×13=
95×37= 45×86=
÷5= 0.81÷0.9=
×4.56+3.83×5.44 15×46=
计算练习三
一、口算题
4.3+0.57= 1.25×16= 2÷5= 0.810.7×1.3= 9.4÷0.01= 10.1×2.3= 0.72二、简便计算
3.65×10.1 2.5×0.32×1.25 6.136
53.4÷0.25÷0.4 101×5.3
三、坚式计算
96×54= 84×81= 18.2
98×27= 43×90=
÷0.9= 5.5+1.45=
÷0.9= 2÷0.125=
×86+86×3.864 –9.02=