6+2= 5+3= 9-5= 8-3=
36+2= 55+3= 49-5= 78-3=
34+8+7= 76﹣(3+47)= 35+50﹣70=
82﹣8﹣8= 48+(12﹣5)= 76﹣9+6=
4+80= 73-3= 20+5= 12-3= 48-40+5=
13-5= 6+8= 17-9= 17-10= 72+8-6=
43-40= 24+0= 38+5= 8+7= 37-30+9=
56-4= 9+46= 90-5= 40+60= 75-40-3=
24+5= 36+9= 15-7= 58-3=
40+60= 90-30= 74-50= 66+30=
10+20+30= 80-20-50= 5+5+5= 27-8+6=
17+(45-5)= 72+(16+4)= 39-(13-4)= 84-(24-20)=
①93-(38-30)=
②66-(17+3)
③5+70+10=
④78-50+30=
⑤80-(50-20)=
⑥56-6-40=
5+7= 8+5= 9﹣5= 10﹣2=
13+6= 17﹣6= 12+6= 19﹣4=
14﹣9= 16﹣8= 15﹣9= 12﹣7=
58-1738
57-924+29
26+1817+27
95-3682-28
32+532-5
36+2525+36
1米96厘米
500厘米5米
3元2元9角
(只)