54 - 162 ÷ 3 , 27 - 108 ÷ 4, 48 - 288 ÷ 6, 72 - 360 ÷5, 109 - 436 ÷ 4, 63 - 441 ÷ 7, 270 - 1350 ÷ 5,

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