watch this.
a-b
(a+c)-(b+c) that is what she did. Is it ok?
a+c-b-c= original problem a-b
Bridget added 1/5 to both 12 and 6 4/5 when subtracting 12 - 6 4/5. Tell why.
1 answer
1 answer
1 answer
1 answer
1 answer
1 answer