2. a)82.698+116.201=198.899
198.899-82.698=116.201
b)125.346+233.423=358.769
358.769-233.423=125.346
c)425.342+234.615=448.807
448.807-234.615=425.342
3. a)925.846-314.523=611.323
611.323+314.523=925.846
b)989.485-627.243=362.242
362.242+627.243=989.485
c)896.785-534.231=362.554
362.554+534.231=896.785
