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用简便方法计算.600-259-141128+349+1726000÷25÷4.
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用简便方法计算.
600-259-141 128+349+172 6000÷25÷4.
600-259-141 128+349+172 6000÷25÷4.
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答案和解析
(1)600-259-141
=600-(259+141)
=600-400
=200;
(2)128+349+172
=128+172+349
=300+349
=649
(3)6000÷25÷4
=6000÷(25×4)
=6000÷100
=60.
=600-(259+141)
=600-400
=200;
(2)128+349+172
=128+172+349
=300+349
=649
(3)6000÷25÷4
=6000÷(25×4)
=6000÷100
=60.
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