4+68 40+884 75-570
13-48 6+30◯36 89-990
小灰兔拔了多少根萝卜?
446-6 82-22+80 13+415
60+556 3033-3 69-950+9
60+3=
50+5=
8+20=
5+60=
63-3=
55-5=
28-20=
65-60=
63-60=
55-50=
28-8=
65-5=