Question
28(4/5) + 52(1/2) × 8(2/7) - 11(1/5) = ? +
6(1/5)Solution
28(4/5) + 52(1/2) × 8(2/7) - 11(1/5) = ? + 6(1/5) => 144/5 + 105/2 × 58/7 - 56/5 = ? + 31/5 => 144/5 + 435 - 56/5 = ? + 31/5 => ? = 144/5 + 435 – 56/5 – 31/5 => ? = 2232/5 = 446.4
What is the sum of the supplementary and complementary angles of 60 ° ?
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