Which of the following set of signs should be used to replace * in the following?
23 * 3 * 9 = 70 * 2 * 25
1
+ ÷ × -
2
× + + ×
3
× - ÷ +
4
+ × × +
Which of the following set of signs should be used to replace * in the following?
23 * 3 * 9 = 70 * 2 * 25