�B　12．Addition up to 30　プリントを選びましょう
↓	011310e Addition 50
↓	011320e Addition 20
↓	011330e Addition 20 NEW
↓	011335e Addition 10 NEW
↓	011350e Addition (Make 10 Strategy) 1
↓	011355e Addition (Make 10 Strategy) 2
↓	011360e Addition (Make 10 Strategy) 3
↓	011365e Addition 10
→　→　→　→　→　→　→