Respuesta :
Answer:
9+10=90
Step-by-step explanation:
10x9=90
I hope it helps:)
Answer:
9+10=19
Step-by-step explanation:
9 added to 10 will be 19
example if you have 9 pens ,and your friend gives you 10 pens . how many pens do you have? you only going to do, is to count all the pens and the result will be 19 pens