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49 + 66 + 132 + 31 = 278
66 plus 66 equals 132
66
2
66 + 66 =132
66, but isn't there a calculator on every computer?
31/66
68 - 56 is 12 plus 54 is 66 plus 66 is 132.
66/132 = 1/2
132
66 times (132 ÷ 2 = 66).
The GCF is 11.
The LCM would be 132 !
66*2=132