33+21= 96-32= 35+27= 90-25=
24-6=
87-7=
63+20=
27+3+3=
32-2=
89+1=
12+10=
28-4-4=
2×2=
3×6=
2×4=
5×5=
9×4=
24÷8=
81÷9=
6÷3=
14÷7=
16÷4=
5×6=
20÷5=
7×4=
72÷8=
6×6=
63÷7=
8×7=
48÷6=
18÷2=
40÷5=
6×6=
23+45=
28﹣16=
41﹣7=
2×4=
4×5=
40+21=
80﹣6=
3×5=
4×4=
5×2=
5×5=
12+31=
40﹣7=
17+18=
35﹣20=
43﹣9=
15+6=
6×4=
5×6+4=
①82+9-53=
②89-34-18=
③90-36+15=
④28+37-16=
⑤12+48+36=
⑥45-19+18=
①62-45=
②55+39=
③93-(18+27)=
④100-60+56=
①
②36×()
③
④
⑤3.24×0.76+3.24×0.24
⑥