16
You get 50.
1
Subtract 2, then multiply by 3, -2, *3, etc
-13
no, you multiply first. For example 2 + 3 x 4 + 5 = 2 + 12 + 5 = 193 +
11
3 6 4 8 6 12 10 20 18 36 34 68 Multiply 3 by 2 to get 6 Subtract 2 to get 4 Multiply 4 by 2 to get 8 Subtract 2 to get 6 Multiply 6 by 2 to get 12 Subtract 2 to get 10 .... Got it?
4 4
You get 50.
Multiply by four and then subtract three.
-40
1
4
Subtract 2, then multiply by 3, -2, *3, etc
You get 4 more than you started with.
-13
156: Hcf of 13 and 39= 13 13*12=156 =156