5x+8x=
10m-m=
x-0.5x=
5n+7n=
2y-0.7y=
y×6×y=
(a+b)×8=
8-a×5=
n+1.8n=
7a+6a-10=
13.7b+3b=
11+3.6m-2m=
21.3×0.75
5.87÷1.9(得数保留两位小数)
2.5×8=
4.5×0.07=
14÷0.125=
1.2÷4÷0.25=
0.25÷0.5=
9.1×0.3=
19.8÷3.3 =
0.99×0.25×40=
0.63÷0.7= 9.1+3.5= 31.5÷10= 0.36÷0.09=
50×0.8= 1000×2.03= 10﹣4.9= 6.4÷4=
3.6÷4= 200×0.6= 0.77÷0.1=
7.2+0÷0.9= 1.25×8= 3÷0.5=
4.04×3= 5.6×0.2÷5.6×0.2=
36÷0.6= 1.5×0.4= 0.125×8= 0.1÷0.01=
1.2÷0.2= 5.05÷0.5= 0.6×0.07= 3x+5x=