+= += -= = 0.25+=
2﹣= = = = ﹣0.6=
①
②
③
④
⑤
⑦
⑧
⑨
⑩
6.3+7=
1-0.01=
15×0.01=
5÷9=
2.4+0.76=
8.2÷0.1=
a+1.4a=
0.62=
⑴
⑵+2=
⑶
⑷-1=
⑸
⑹
⑺
⑻
⑼
⑽
﹣ =
8÷0.4=
+ =
7﹣6.38=
0.22×0.5=
10﹣4.8﹣3.2=
1- =
=
0.75-=
1-=