Real Numbers
1 + 1
2
Evaluate 23
8
a + a
2a
Does 1/2 = 2/4?
Yes
(-3) - (-3)
0
Simplify 33 x 34
37
3a - 2a + 5a
6a
2/5
(-2) x (-4)
8
Simplify 510 ÷ 57
53
3x2 x 5x5
15x7
4/5
(-20) ÷ 4
-5
Evaluate 820
1
xy + xy x xy
xy + x2y2
3/7 + 1/5
22/35
49 - (37 + (15 ÷ 3))
7
If (3m)n = 312, and m=2, then what is n?
6
Factorise 42x + 12
6(7x+2)