Question
If the signs ‘+’ and ‘÷’
are interchanged, then which of the following equations can be correctly balanced?Solution
1) 12 + 4 – 8 ÷ 3 = 11 12 ÷ 4 – 8 + 3 = 11 3 – 8 + 3 = 11 8 ≠ 11 2) 24 – 12 ÷ 6 + 3 = 20 24 – 12 + 6 ÷ 3 = 20 24 – 12 + 2 = 20 12 + 2 = 20 14 ≠ 20 3) 16 + 4 × 8 ÷ 3 = 45 16 ÷ 4 x 8 + 3 = 45 4 x 8 + 3 = 45 32 + 3 = 45 35 ≠ 45 4) 22 + 11 × 8 ÷ 3 = 19 22 ÷ 11 x 8 + 3 = 19 2 x 8 + 3 = 19 16 + 3 = 19
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