Seudónimo Seudónimo
  • 16-03-2020
  • History
contestada

what is 9 + 10 + 2 - 3 + 2 + 1

Respuesta :

Mzelaya0
Mzelaya0 Mzelaya0
  • 16-03-2020
21
just break it down next time like this for example, 10+9 is 19 then add 2 = 21 subtract 3 which then becomes 18 instead of just adding 2 do this (2+1 =3) so 18 plus 3 is 21
Answer Link

Otras preguntas

Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
Ned weighs 1.5 times as much as Jill and Tom weighs 15 kilograms more than Jill. If their combined weight is 190 kilograms, how much does each person weigh?
I am a number between 500 and 600. My Ones digit is 5. My tens digit is the difference between my ones and hundreds digits. Who am i
Peter jogged 96 yards in 40 seconds? What is his speed in feet per second?
Name four behaviors that animals must use to survive
What are the organelles of a cone cell?
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
Name four behaviors that animals must use to survive
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
Peter jogged 96 yards in 40 seconds? What is his speed in feet per second?