×8=
÷=
5-=
×÷×=
12.3÷0.1=
140÷70%=
0.41-0.32=
0.8a+0.5a=
×2.4=
3.6×25%=
÷7=
3-=
0.9×101-0.9=
×4=
6.7+5.8=
16×12.5%=
7.3-3=
4.5×=
210÷71≈
2.4×0.5=
0.52÷0.4=
1-×=
0.2:1.4=
3.9+2.7=
6-2.7=
1.9×4=
0.65÷0.1=
152+358=
2.74-0.4=
×2=
9.6÷3=
0.036×100=
176÷6≈
8÷0.1=
2÷=