2×(.8+.3)÷2×(1.4+1.11.125)÷2
42 ÷ (-1.6)
29615/1475
2 1/3+1 5/6-x+20/3=7 1/3
represent each nbr of the nbr of line 3
10-27+12
to nth nth
3+
(1.2)^3
a to the power of 3 times b to the power of 2
3 OVER Y + 4 OVER Y