6
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∙ 9y ago84
1
12 - (3^2 - 7) * 4 = 12 - (9 - 7) * 4 = 12 - 2 * 4 = 12 - 8 = 4
88. 12*7=84+4=88
4 and 7/12
12: 1 2 3 4 6 7 12 14 21 28 42 84.
4 with 7 remaining 55 - 7 = 48 = 12 x 4
672
168
LCM(4, 5, 7) = 140
88 ÷ 12 = 7 with remainder 4
It is: 252