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Hematite, also spelled as haematite, is the mineral form of iron oxide, one of several iron oxides. Hematite crystallizes in the rhombohedral lattice system, and it has the same crystal structure as ilmenite and corundum.
447.79 ÷ √(√2400) + 30.94 × 6.07 – 5.08 × 21.96 = ?
81% of 1550 + 27² = ? + 1386 ÷ 22
? = 200.24 + 1077.97 – 14.992
√784 × 3 + (713.99 ÷ 6.98) = ?% of 619.99
30.05% of 149.97 + ? X 8.88 = (39.95 + 12.012 - 13.0322)2
(1331)1/3 x 10.11 x 7.97 ÷ 16.32 =? + 15.022
(1096.01 ÷ 7.99) - (120.98 ÷ 10.88 X 6.99) = ? ÷ 4.99
3245.69 + ? – 3112.48 = 2654.87 – 2412.92