Răspuns :
a)
5×4=20 5×3=15 5×9=45 6×9=54
b)5+4=9. 5+3=8. 5+9=14. 5+6=11
c)9-5=4. 6-5=1. 10-5=5. 8-5=3
=_=
a) 5×4 =20
5×3=15
5×9=45
6×9 =54
b) 5 +4=9
5+3=8
5+9 =14
5+6=11
c) 9-4=4
6-5=1
10-5=5
8-5=3
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