2.54÷0.1 2.54+0.1
27.2×1 27.2÷1
25×1.01 25×0.88
8.32÷1.1 8.32÷1.5
0.24÷6= 0.42÷0.6= 12.5×0.8= 0.56×0.1=
1.2×4= 7.3﹣6= 0÷0.4= 0.5×0.07=
①75.8÷4÷2.5
②43.5×99+43.5
③350÷4÷3.5
④25.6﹣22.78+3.4
A(2,1)、B(1,3)、C(4,6)、D(7,3)、E(6,1)