①21+23 ②41+20 ③45-30 ④29+20 ⑤86-17 ⑥100-40-12
一共有多少条鱼?
62+38=
76+18=
①45+37=
②90-55=
③22+38=
④72-39=
⑤57-32=
⑥9+46=
7887 10098
30+2525+30 40+848
8+6= 10-2= 2+18= 15+5= 15+3-10=
9+5= 7+7= 17-7= 6+6= 17-6+4=
16-4= 13-2= 1+12= 18-2= 5+4+10=-
6×4= 7×8= 6×6= 4×5+8=
9×7= 37-22= 40-29= 21+19-8=
40-29= 18+43= 68-9= 58-7×4=
4664 32+1532 23+3737+23
10099 77-1877-20 35+1636+16
46+22= 57+23= 120-50= 700-400= 5×7+2=
69-20= 90-36= 600+700= 80+90= 45÷9×8=