□○□○□=□(人)
9-6=
8+2=
8-8=
4+5-3=
6+0+4=
5+2=
6-4=
7+3=
5-5+2=
8-5-1=
一共拔了根萝卜?
6
,
98 4+67 6+28
8-28+2 57 10-38
10-92 3+75+5
9.9×5.9 60 1