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23.35 - 12.40 =
325kg + 148kg =	kg
17 × 3 =
150 ÷ 0.5 =
842 ÷ 2 =
5.25 - 0.65 =
75m - 12.5m =	m
52.63kg + 14.42kg =	kg
121 ÷ 11 =
15 × 5 =