7.5÷1.5=
7.8×0.2=
0.4y+0.6y=
0.4-0.4÷2=
4.5×99+4.5=
6×0.5÷6×0.5=
9.5+4.2=
0.8×1.3=
14.1÷3=
3.5×2=
8.1-2.7=
1.4×0.3=
7.9+0.1=
2.5×4=
3x+4x=
5.69-1.7=
2.5÷0.5=
7.2-1.08=
5-3.2=
5.8+5.7=
3.5÷2÷5=
4÷0.8=
9+2.19=
6b-5b=
16.5-(6.5+2.7)=
10-6.2-1.8=
2.5+0.5=
0.07×10=
1-0.25=
4.5-1.09=
0.4×5=
12.4n-4n=
0.16÷0.4=
2.4×0.5=
4÷0.05=
0.32=
32a+a= 2.5×0.8= 0.36÷3.6= 9÷0.3=
4.5÷9= 12-4.9= 6.7×100= 3.5×4=