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三年级数学请教!
2个回答
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54÷6× 54÷6
=9× 54÷6
=9×9
=81
(378+726)÷6
=1104÷6
=184
4275+152-175
=4275-175+152
=4100+152
=4252
=9× 54÷6
=9×9
=81
(378+726)÷6
=1104÷6
=184
4275+152-175
=4275-175+152
=4100+152
=4252
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