2.2*3.83+2又1/5*5.17+2又1/5怎样简算

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2.2*3.83+2又1/5*5.17+2又1/5怎样简算
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2.2*3.83+2又1/5*5.17+2又1/5怎样简算
2.2*3.83+2又1/5*5.17+2又1/5怎样简算

2.2*3.83+2又1/5*5.17+2又1/5怎样简算
2.2 *( 3.83 + 5.17 + 1 )
= 2.2 * 10
= 22