1﹣0.3= 5.3+0.5= 4.7﹣2.3= 0.5×0.2=
4×0.25= 1÷0.01= 10﹣0.9= 3.6÷0.3=
8.7+3.41= 0.01×50= 2.5×40= 7.2÷0.8=
5.6﹣4.6= 3.8÷1.9= 10﹣5.46= 5.89+0.11=
口算．
7.2﹣1.2= 0.8×0.7= 3÷0.2= 3.2÷0.1=
0.64÷8= 0.3×0.3= 0.12÷0.4= 1.4×100=
78.5+36.27=（验算）
10.5÷0.21=（验算）
用竖式计算：
8.84+1.16
2.05×2.4
0.988÷0.13．
1.26+3.74= 4.32﹣2.23= 8.79+0.31= 6.54﹣5.4= 1.25+4.75=
8.73+2.27= 0.25×12= 0.456×100= 9.07×1000= 1.76÷10=
9.6÷0.3= 2.4÷0.06= 0÷5.9= 5÷100=
