6×2=
7×8=
5×5=
28÷4=
12÷6=
36÷4=
21÷7+60=
5-15÷3=
72÷8-6=
42-5×2=
2×8+40=
5+5×3=
0.99+0.1= 0.35× = 0.75÷75%= 3.14×82=
2.7- = ÷8= 15×6÷15×6= ÷ ×0=