6.28乘7.2加0.28乘62.8怎么算?

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6.28乘7.2加0.28乘62.8怎么算?6.28乘7.2加0.28乘62.8怎么算?6.28乘7.2加0.28乘62.8怎么算?你确定是0.28?6.28×(0.72+0.28)=2.5927.2

6.28乘7.2加0.28乘62.8怎么算?
6.28乘7.2加0.28乘62.8怎么算?

6.28乘7.2加0.28乘62.8怎么算?
你确定是0.28?

6.28×(0.72+0.28)=2.592

7.2和0.28你确定其中一个数小数点没有错?

6.28*7.2+0.28*62.8=6.28*7.2+0.28*10*6.28=6.28*(7.2+0.28*10)=6.28*10=62.8

(7.2十0.28)X6.28=2.529。应该是2.8