①
②
14×6=
3×32=
35+45÷5=
300×9=
48÷2=
60×5=
720÷8×2=
240÷4=
96÷3=
420÷6=
640÷8-40=
720÷8=
620-340=
72+18=
480÷6=
90-72÷9=
(400-320)÷4=
0.7+0.9=
0.8+0.6=
8.24+3.76=
4.1-3.8=
14+0.78=
14.6-0.34=
1.3+8.56=
0.8-0.45=
0.8-0.55=
4-0.04=
1-0.03=
30.5+3.05=
0.78+2.2=
5-0.08=
3.25+0.75=
2.5+7.5=
9﹣0.99= 24÷=
2022÷2021= -=