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Crinutsbiancutpckza1
a fost răspuns

1.Calculeaza si efectueaza proba,folosind comutativitatea inmultirii:
4×12 2×36 3×44 14×5 32×6
23×3

Răspuns :

Claudiuclaudiu7

4x12=4x10+4x2=40+8=48

2x36=2x30+2x6=60+12=72

3x44=3x40+3x4=120+12=132

14x5=10x5+4x5=50+20=70

32x6=30x6+2x6=180+12=192

23x3=20x3+3x3=60+9=69


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