奥数题六年级化繁为简73*(74/75)
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奥数题六年级化繁为简73*(74/75)
奥数题六年级化繁为简73*(74/75)
奥数题六年级化繁为简73*(74/75)
73×74/75
=(75-2)×74/75
=75×74/75-2×74/75
=74-2×74/75
=74-2+2/75
=72又2/75
奥数题六年级化繁为简73*(74/75)
奥数题六年级化繁为简73*(74/75)
奥数题六年级化繁为简73*(74/75)
73×74/75
=(75-2)×74/75
=75×74/75-2×74/75
=74-2×74/75
=74-2+2/75
=72又2/75