1.

If "–" stands for "÷", "+"stands for "x", "÷" for "–" and "x" for "+", which of the following equations is correct?

A. 40 – 10 + 5 ÷ 4 x 5 = 21
B. 40 + 10 – 4 x 5 ÷ 3 = 80
C. 40 ÷ 10 – 4 x 5 + 3 = 32
D. 8 – 4 x 40 ÷ 2 + 15 = 30
Answer» B. 40 + 10 – 4 x 5 ÷ 3 = 80


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