Question

R.M Primaria 5to:
1._ 40(55)70
60(35)10
25( ? )45

2._13(54)41
23(85)71
18( ? )24

3._30(14)40
23(11)32
19( ? )31

4._20(10)30
12(8)28
14( ? )66

5._ 4 16 2=
2 16 4=
7 ? 1=

6._22 11 4=
63 9 ?=
33 11 9=

7._32 66 110
4 6 11=
? 11 10=

8._8 6 9=
17 10 27=
5 4 ?=

Answer 1

aqui te dejo 
el link
para que resuleves tu tarea

https://www.mathway.com/es/Algebra