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7 7 7 7=6. 7 7 7 7=8
7 7 7 7=294
7 7 7 7=48
7 7 7 7=50
7 7 7 7=15
7 7 7 7=2
7 7 7 7=98
7 7 7 7=6. 7 7 7 7=8
7 7 7 7=294
7 7 7 7=48
7 7 7 7=50
7 7 7 7=15
7 7 7 7=2
7 7 7 7=98
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(7*7-7):7=6(7*7+7):7=8
(7*7-7)*7=294
7*7-7:7=48
7*7+7:7=50
7+7+7:7=15
7:7+7:7=2
7*7+7*7=98