3.4+0.7=
0.13×2=
7.6-4.5=
0.04×0.8=
6.8-6.08=
91÷100=
(17+11)÷2=
5y-3.6y=
4x + 2x = 13m - 4m = b + b + b + b =
a×4×b = 6×x + 6×y = x·x + y + y =
a×6 =
d×d×2 =
m×n
3×b×4 =
18+150÷6=
34÷10=
0÷8×9=
87÷3×3=
270+300=
0.39+0.15= 8×25= 10-5.6= 0.3÷100=