6.6and6.7小開心@長情 <p class="ql-block">光盤啦</p> <p class="ql-block">6.6十以內加減法</p> <p class="ql-block">光盤！</p> <p class="ql-block">玩會沙子吧</p> <p class="ql-block">6.7分解與組成練習</p> <p class="ql-block">小真的長頭發(fā)</p> <p class="ql-block">圓形和橢圓形</p>