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4×3(5+7)74\times3(5+7)-7

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Q. 4×3(5+7)74\times3(5+7)-7
  1. Calculate Sum: Calculate the sum inside the parentheses. 5+7=125 + 7 = 12
  2. Multiply by 33: Multiply the result from Step 11 by 33.\newline3×12=363 \times 12 = 36
  3. Multiply by 44: Multiply the result from Step 22 by 44. 4×36=1444 \times 36 = 144
  4. Subtract 77: Subtract 77 from the result of Step 33. 1447=137144 - 7 = 137

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