7.23+6.84-0.84+2.77怎么简算?

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7.23+6.84-0.84+2.77怎么简算?
7.23+6.84-0.84+2.77怎么简算?

7.23+6.84-0.84+2.77怎么简算?
7.23+6.84-0.84+2.77
=(7.23+2.77)+(6.84-0.84)
=10+6
=16

7.23+6.84-0.84+2.77=（7.23+2.77）+（6.84-0.84）=10+6=16

7.23+6.84-0.84+2.77
=(7.23+2.77)+(6.84-0.84)
=10+6
=16