а)0,4/0,5 = 0,8
б) 0,25/1,5 = 25/100 : 15/10 = 25/100 * 10/15 = 250/1500 = 1/6
в)1,7/0,3 = 17/10 : 3/10 = 17/10 * 10/3 = 17/3 = 5 2/3
г) 12,6/1,2 = 10,5
д)3,8/20 = 0,19
е) 0,24/0,9 = 24/100 : 9/10 = 24/100 * 10/9 = 240/900 = 12/45
ж) 1/0,6 = 10/10 : 6/10 = 10/10 * 10/6 = 100/60 = 5/3 = 1 2/3
з)8/1,4 = 80/10 : 14/10 = 80/10 * 10/14 = 800/140 = 40/7 = 5 5/7
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Answers & Comments
а)0,4/0,5 = 0,8
б) 0,25/1,5 = 25/100 : 15/10 = 25/100 * 10/15 = 250/1500 = 1/6
в)1,7/0,3 = 17/10 : 3/10 = 17/10 * 10/3 = 17/3 = 5 2/3
г) 12,6/1,2 = 10,5
д)3,8/20 = 0,19
е) 0,24/0,9 = 24/100 : 9/10 = 24/100 * 10/9 = 240/900 = 12/45
ж) 1/0,6 = 10/10 : 6/10 = 10/10 * 10/6 = 100/60 = 5/3 = 1 2/3
з)8/1,4 = 80/10 : 14/10 = 80/10 * 10/14 = 800/140 = 40/7 = 5 5/7