Q20821: What is: 42 + 5 - 2?
Answer: 45
💡 Work from left to right: 42 + 5 = 47, then 47 - 2 = 45.
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Answer: 45
💡 Work from left to right: 42 + 5 = 47, then 47 - 2 = 45.
Answer: 50
💡 Work from left to right: 43 + 8 = 51, then 51 - 1 = 50.
Answer: 13
💡 Work from left to right: 14 + 8 = 22, then 22 - 9 = 13.
Answer: 49
💡 Multiplication before addition: 6 × 7 = 42, then 42 + 7 = 49.
Answer: 39
💡 Multiplication before addition: 8 × 3 = 24, then 24 + 15 = 39.
Answer: 37
💡 Multiplication before addition: 3 × 3 = 9, then 9 + 28 = 37.
Answer: 25
💡 Multiplication before addition: 2 × 2 = 4, then 4 + 21 = 25.
Answer: 70
💡 Work from left to right: 72 + 7 = 79, then 79 - 9 = 70.
Answer: 82
💡 Multiplication before addition: 9 × 9 = 81, then 81 + 1 = 82.
Answer: 40
💡 Double the number = 20 × 2 = 40.
Answer: 21
💡 Multiplication before addition: 4 × 5 = 20, then 20 + 1 = 21.
Answer: 102
💡 Multiplication before addition: 8 × 9 = 72, then 72 + 30 = 102.
Answer: 56
💡 Half of the number = 112 ÷ 2 = 56.
Answer: 72
💡 Work from left to right: 77 + 2 = 79, then 79 - 7 = 72.
Answer: 12
💡 Work from left to right: 13 + 3 = 16, then 16 - 4 = 12.
Answer: 316
💡 130 + 186 = 316.
Answer: 48
💡 52 - 4 = 48; check: 48 + 4 = 52.
Answer: 249
💡 50 + 199 = 249.
Answer: 12
💡 24 ÷ 2 = 12, because 12 × 2 = 24.
Answer: 202
💡 71 + 131 = 202.