Posted by desmiyoung on .
how to do you do missing digits to make each number sentence true

math 
Ms. Sue,
2 + ___ = 10
What number sentence do you want help with? 
math 
Anonymous,
Use structure what property of addition is shown in the following number sentence ?explain7+(3+5)=(7+3)+5

math 
Anonymous,
The average of four numbers is 21. If three numbers are 12, 18, and 28, what is the missing number?

math 
De,
Arrange digits 126 and 8 to make the each snumber sentence true use each digits only once

math 
De,
Arrange digits 126 and 8 to make the each snumber sentence true use each digits only once