1 plus 1 equals 2 _____ _____does 1 plus 1 equal1 plus 1 equals 2 ._____ _____does 1 plus 1 equal

问题描述:

1 plus 1 equals 2 _____ _____does 1 plus 1 equal
1 plus 1 equals 2 .
_____ _____does 1 plus 1 equal

How much