Which two signs should be interchanged to make the following equation correct?
1728 ÷ 144 + 679 - 768 = 1011
÷ & +
2
÷ & -
3
+ & -
4
No possible sign changing can make the equation correct
Which two signs should be interchanged to make the following equation correct?
1728 ÷ 144 + 679 - 768 = 101