Сравните значение выражений: а) 4:6 и 11:15 б) 112 :64 и 9:4 в) 72:144 и 36 :108 г) 81 :45 и 56:48
а) 4:6 = 2:3 = 10:15 < 11:15
4:6 < 11:15
б) 112:64 = 7:4 < 9:4
112:64 < 9:4
в) 72:144 = 1:2; 36:108 = 1:3
1:2 > 1:3
72:144 > 36:108
г) 81:45 = 9:5 = 54:30; 56:48 = 7:6 = 35:30
54:30 > 35:30
81:45 > 56:48
а) 4 : 6 < 11 : 15, т.к.:
4 : 6 = 4/6 = 2/3 = 10/15
11 : 15 = 11/15 ⇒ 10/15 < 11/15
б) 112 : 64 < 9 : 4
112 : 64 = 112/64 = 7/4
9 : 4 = 9/4 ⇒ 7/4 < 9/4
в) 72 : 144 > 36 : 108, т.к.:
72 : 144 = 1/2
36 : 108 = 1/3 ⇒ 1/2 > 1/3
г) 81 : 45 > 56 : 48
81 : 45 = 81/45 = 9/5 = 54/30
56 : 48 = 56/48 = 7/6 = 35/30 ⇒ 54/30 > 35/30
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Verified answer
а) 4:6 = 2:3 = 10:15 < 11:15
4:6 < 11:15
б) 112:64 = 7:4 < 9:4
112:64 < 9:4
в) 72:144 = 1:2; 36:108 = 1:3
1:2 > 1:3
72:144 > 36:108
г) 81:45 = 9:5 = 54:30; 56:48 = 7:6 = 35:30
54:30 > 35:30
81:45 > 56:48
Verified answer
а) 4 : 6 < 11 : 15, т.к.:
4 : 6 = 4/6 = 2/3 = 10/15
11 : 15 = 11/15 ⇒ 10/15 < 11/15
б) 112 : 64 < 9 : 4
112 : 64 = 112/64 = 7/4
9 : 4 = 9/4 ⇒ 7/4 < 9/4
в) 72 : 144 > 36 : 108, т.к.:
72 : 144 = 1/2
36 : 108 = 1/3 ⇒ 1/2 > 1/3
г) 81 : 45 > 56 : 48
81 : 45 = 81/45 = 9/5 = 54/30
56 : 48 = 56/48 = 7/6 = 35/30 ⇒ 54/30 > 35/30