简便计算题:4/7-5.89+73/7-3.11

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简便计算题:4/7-5.89+73/7-3.11
简便计算题:4/7-5.89+73/7-3.11

简便计算题:4/7-5.89+73/7-3.11
分数和分数结合 得到 11 ,小数和小数结合 得到9 ,11-9=2

4/7-5.89+73/7-3.11
=4/7+73/7-(5.89+3.11)
=11-9
=2

4/7-5.89+73/7-3.11
=4/7+73/7-(5.89+3.11)
=11-9
=2

(4/7+73/7)-(5.89+3.11)=11-9=2

4/7-5.89+73/7-3.11
=94/7+73/7)-(5.89+3.11)
=11-9
=2

4/7-5.89+73/7-3.11
=(4/7+73/7)-(5.89+3.11)
=11-9
=2