Математика Question Preview (ID: 51336)
Събиране и изваждане до 20.
TEACHERS: click here for quick copy question ID numbers.
20 - 7=
a) 14
b) 13
c) 12
d) 10
17+2=
a) 19
b) 20
c) 11
d) 14
20-15=
a) 6
b) 15
c) 5
d) 10
12+6=
a) 17
b) 19
c) 20
d) 18
20-4=
a) 16
b) 6
c) 18
d) 11
20-14=
a) 16
b) 6
c) 12
d) 10
18-9=
a) 19
b) 12
c) 9
d) 8
?+6=13
a) 7
b) 6
c) 17
d) 5
7+?=16
a) 6
b) 8
c) 9
d) 19
? =20-5
a) 14
b) 5
c) 6
d) 15
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