Odpowiedź:
1/2 z 36 = 18
1/10 z 140 = 14
3/7 z 490 = 210
[tex]1/2*36=2*18/2=18[/tex]
[tex]1/10*140=14*10/10=14\\3/7*490=3*490/7=3*7*70/7=3*70=210[/tex]
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Verified answer
Odpowiedź:
1/2 z 36 = 18
1/10 z 140 = 14
3/7 z 490 = 210
[tex]1/2*36=2*18/2=18[/tex]
[tex]1/10*140=14*10/10=14\\3/7*490=3*490/7=3*7*70/7=3*70=210[/tex]