Harjoittele niin kauan, kunnes laskut menevät sujuvasti ja oikein!

9+9 =
9+8 =
9+2 =
9+6 =
9+7 =
9+5 =
9+4 =
9+3 =
8+3 =
8+7 =
8+5 =
8+9 =
8+4 =
8+6 =
8+8 =
7+4 =
7+6 =
7+8 =
7+5 =
7+7 =
7+9 =
6+6 =
6+8 =
6+7 =
6+5 =
6+9 =