一年级上册口算题大全：9的加法

一年级上册口算题大全：9的加法！

9=6 +            9=4 +            9=1 +             9=4 +

9=7 +            9=5 +            9=2 +             9=5 +

9=1 +            9=8 +            9=2 +             9=5 +

9=6 +            9=4 +            9=4 +             9=2 +

9=2 +            9=2 +            9=6 +             9=4 +