1.

By Interchanging the given two numbers which of the following equation will be incorrect?1 and 9

A. 9 ÷ 4 × 8 – 2 + 1 = 10
B. 7 ÷ 3 × 1 – 9 + 6 = 26
C. 8 ÷ 2 × 7 – 1 + 9 = 20
D. 1 ÷ 2 × 8 – 9 + 7 = 42
Answer» B. 7 ÷ 3 × 1 – 9 + 6 = 26


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