(1)÷2= (2)501-199=
(3)500÷4= (4)×=
(5)1-0.05= (6)3.8+7.2=
(7)1÷0.125= (8)+=
(9)2.06×12.5×8= (10)×0.4×=
(11)-0.375= (12)12×﹙1+)=
(1)÷2= (2)501-199=
(3)500÷4= (4)×=
(5)1-0.05= (6)3.8+7.2=
(7)1÷0.125= (8)+=
(9)2.06×12.5×8= (10)×0.4×=
(11)-0.375= (12)12×﹙1+)=