37% of 810 – 32% of 460.5 = ?
37% of 810 – 32% of 460.5 = ? ? = 299.7 - 147.36 ? = 152.34
4.7 × 3.5 + 4.2 × 4.5 = 22.5 × 3.5 - ?
1024 ÷ 32 = 2(1/2)×?
690 ÷ (75% of 460) = ? ÷ (50% of 160)
32 × 3 (54 – 15) + 186 ÷ 3 ÷ 2 – (21)² =?
325934.78 + 78545.30 + 92.25 =?
1 + 1 + 1/2+ 1/3 + 1/6 + 1/4 is equal to ____
?/343 = 7/?
85% of 620 + ? % of 1082 = 4855
390/? = √256 + 3.5
Find the unknown value of' x' in the proportion $$(5x + 1) : 3 = (x + 3) : 7