(2500 ÷ √625) × √(42.25) = ? ÷ 4
28(4/5) + 52(1/2) × 8(2/7) - 11(1/5) = ? + 6(1/5)
40% of (34 x 25) + 105 = ?
{(? × 15) + (? × 45)} – 120 = 360
((9.77)^0- 〖(0.1)〗^(-1))/(〖(6/2^4 )〗^(-1) ×(3/2)^3+ 〖((-2)/6)〗^(-1) ) = ?
(0.1 × 0.2 × 0.3) + (0.3 × 0.4 × 0.5) =?
756 + 432 – 361 + ? = 990
(√2704 x 55)/(245 + 120) =?
25.6% of 250 + √? = 119
