2772÷28+31535÷35简便计算
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2772÷28+31535÷35简便计算
2772÷28+31535÷35
=2772÷(4x7)+31535÷(5x7)
=693÷7+6307÷7
=(693+6307)÷7
=7000÷7
=1000
(2772+31535)/7/9
2772÷28+31535÷35
=2772÷4÷7+31535÷5÷7
=(693+6307)÷7
=1000
(2800-28)÷28+(35000-3500+35)÷35=100-1+1000-100+1=1000