45+375 18+1927 16+27+4386
82-532 75-3639 58-(27-14) 17
42-835 62-1735 48-95 +36
90-3259 42-2517 42- 852-18
98-20= 9+40= 80-17=
36+30= 8+54= 44+8=
35+30+5= 48-6-4= 32+40-12=
80-9+10= 91-8-60= 42+8+40=
松鼠
老虎
熊猫
袋鼠
天鹅
(只)