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The First Law of Thermodynamics is the principle of conservation of energy. It states that the total energy of an isolated system remains constant—it can only change forms (e.g., heat to work).
1365 ÷ 15 + (? ÷ 5) = 62 × 3.5
{17 + √2601}/(? + 2) = 17
25% of 400 + 3 × 102 = ?2
690 ÷ (75% of 460) = ? ÷ (50% of 160)
What will come in place of the question mark (?) in the following questions?
35% of 240 – 6 2 = ? 2 – √256
808 ÷ (128)1/7 + 482 = 4 × ? + 846
What will come in the place of question mark (?) in the given expression?
(40/25) X 80 - ? = 45% of 300 - 55
√121 + √961− √289 =?2
22 – 15 + 20 × 18 ÷ 6 – 34 = ?
