Which two numbers (not digits) should be interchanged to make the following equation correct?
21 × 3 − 10 + 4 ÷ 7 = 5
A21 and 4
B4 and 7
C21 and 3
D3 and 7
Which two numbers (not digits) should be interchanged to make the following equation correct?
21 × 3 − 10 + 4 ÷ 7 = 5
A21 and 4
B4 and 7
C21 and 3
D3 and 7
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