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用递等式计算.360÷6×51 380+350÷7 (165-75÷3)×8
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(1)360÷6×51,
=60×51,
=3060;
(2)380+350÷7,
=380+50,
=430;
(3)(165-75÷3)×8,
=(165-25)×8,
=140×8,
=1120.
=60×51,
=3060;
(2)380+350÷7,
=380+50,
=430;
(3)(165-75÷3)×8,
=(165-25)×8,
=140×8,
=1120.
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