3.7×a= m+m= m×n×4=
15.8y÷2= x+y×9= 7.3x+2.7x=
4a+0.4a=
8y-3y=
(5.7+a)+4.3=
1.5c+c=
12.5×0.4×8b=
5.9x÷100=
5×3a= 5.5y-3y=
6b+7b+9= 10n×4z=
3m÷5= 3(a+3b)=