7080÷925 X 741 - 172 =?

39815 + 42305 = 122678-?

24*22=? ÷8 

On simplification, 3034 – (1002 ÷20.04) is equal to:

The value of 1÷[1 + 1 ÷{1 + 1 ÷(1 + 1 ÷2)}] is:

(4576+ 3286+ 5639)÷(712+415 + 212)=?

If 45 – [ 28 – {37 – (15 - *)}] = 58, then * is equal to:

4.59 x 1.8 ÷3.6 + 5.4 of 1/9 – 1/5 =?

(47.5*6* 8) ÷ 12-38=?

If (2a + 3b)(2c – 3d) - (2a – 3b)(2c + 3d), then :