1.

Mutiply 17 by 22.

Answer»

SOLUTION :STEP 1: 22-17 =5
Step 2: `5/2 = 2.5`
Step 3: 17 + 2.5 = 22- 2.5 = 19.5
Step 4:`(19.5)^2 - (2.5)^2` = 380.25 - 6.25 = 374.00


Discussion

No Comment Found