(XIN BIAO ZHUN CI YU DE LI JIE YUN YONG YU JI LEI (5 NIAN JI DI 1 XUE QI)) XIE ZU profile picture

(XIN BIAO ZHUN CI YU DE LI JIE YUN YONG YU JI LEI (5 NIAN JI DI 1 XUE QI)) XIE ZU

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Stand Alone

Understanding of the words of the new standard. the use of accumulation (5th grade)