А) 3/32 · х = 96/56 Б) 12/85 : х = 96/35
х = 96/56 : 3/32 х = 12/85 : 96/35
х = 96/56 · 32/3 х = 12/85 · 35/96
х = (32·32)/56 х = (1·7)/(17·8)
х = 1024/56 = 128/7 х = 7/136
х = 18 целых 2/7
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В) х : 35/74 = 37/7 Г) 6/15х + 8/45х = 17/25
х = 37/7 · 35/74 18/45х + 8/45х = 17/25
х = (1·5)/(1·2) = 5/2 26/45х = 17/25
х = 2 целых 1/2 х = 17/25 : 26/45
х = 17/25 · 45/26
х = (17·9)/(5·26) = 153/130
х = 1 целая 23/130
Д) 17/32 · х = 34/48 Е) 8/15 : х = 17/102
х = 34/48 : 17/32 х = 8/15 : 17/102
х = 34/48 · 32/17 х = 8/15 · 102/17
х = (2·2)/(3·1) = 4/3 х = 8/15 · 6 = 48/15 = 16/5
х = 1 целая 1/3 х = 3 целых 1/5
Ж) х : 42/64 = 16/7 З) 8/9х + 14/27х = 19/30
х = 16/7 · 42/64 24/27х + 14/27х = 19/30
х = (1·6)/(1·4) 38/27х = 19/30
х = 6/4 = 3/2 х = 19/30 : 38/27
х = 1 целая 1/2 х = 19/30 · 27/38
х = (1·9)/(10·2)
х = 9/20
А) 3/32 · х = 96/56 Б) 12/85 : х = 96/35
х = 96/56 : 3/32 х = 12/85 : 96/35
х = 96/56 · 32/3 х = 12/85 · 35/96
х = (32·32)/56 х = (1·7)/(17·8)
х = 1024/56 = 128/7 х = 7/136
х = 18 целых 2/7
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В) х : 35/74 = 37/7 Г) 6/15х + 8/45х = 17/25
х = 37/7 · 35/74 18/45х + 8/45х = 17/25
х = (1·5)/(1·2) = 5/2 26/45х = 17/25
х = 2 целых 1/2 х = 17/25 : 26/45
х = 17/25 · 45/26
х = (17·9)/(5·26) = 153/130
х = 1 целая 23/130
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Д) 17/32 · х = 34/48 Е) 8/15 : х = 17/102
х = 34/48 : 17/32 х = 8/15 : 17/102
х = 34/48 · 32/17 х = 8/15 · 102/17
х = (2·2)/(3·1) = 4/3 х = 8/15 · 6 = 48/15 = 16/5
х = 1 целая 1/3 х = 3 целых 1/5
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Ж) х : 42/64 = 16/7 З) 8/9х + 14/27х = 19/30
х = 16/7 · 42/64 24/27х + 14/27х = 19/30
х = (1·6)/(1·4) 38/27х = 19/30
х = 6/4 = 3/2 х = 19/30 : 38/27
х = 1 целая 1/2 х = 19/30 · 27/38
х = (1·9)/(10·2)
х = 9/20