10 × 6 – 1 = 29 59 × 5 – 2 = 293 293 × 4 – 3 = 1169 1169 × 3 – 4 = 3503 3503 × 2 – 5 = 7001
25 13.5 12.5 20.75 39.5 ? 302.25
...If 43 34 x 36 39 38
Then, (x/2) + 0.5 + x = ?
...13 26 78 ? 468 936
...If 24 33 x 42 6 51
Then, 20% of x + 40% of x=?
...If 18 x 10 42 -22,
Then, 50% of 2x - 25% of x = ?
...13 182 303 384 433 ?
...? + (55)2= (140)2– (80)2– 6278
36, 49, 23, 62, ?, 75
1, 1, 1.5, 3, 7.5 , ?
16 23 31 40 50 61 ?
...
