1) а) 1,2/9 = 12/10*1/9=4/10=2/5=0.4
б) 2,5/6.25 = 25/10*100/625=10/25=2/5=0.4
в) 2.5/1.8 = 26/10*10/18=13/9
2) 0.9/0.2=4.5 - км/ч
7/2=3.5 км/ч
1.7/0.5=3.4 км/ч
4.5>3.5>3.4
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Answers & Comments
1) а) 1,2/9 = 12/10*1/9=4/10=2/5=0.4
б) 2,5/6.25 = 25/10*100/625=10/25=2/5=0.4
в) 2.5/1.8 = 26/10*10/18=13/9
2) 0.9/0.2=4.5 - км/ч
7/2=3.5 км/ч
1.7/0.5=3.4 км/ч
4.5>3.5>3.4