a^2b^2-11ab-60
(12/2)*5²-8
make x the subject 4y=7(x+z)+3y-z
(12/2)x(5²-8)
8638676.1081
8040807.0269
1816328.1350
2426800.812
16679483÷2162
21444785.538
18715712700
10154841624
43241076
77.34192
...
(12/2)x5²
1/10 x 4/9
x plus 4y = -16; -x - y = 1
(12/2)x5²-8
1/3×120