2+=
4÷9=
1-=
7-=
+1÷4=
÷7=
62+18=
15÷9=
1.4+2.9=
=
125﹣99=
①1+0.2= ②10﹣9.14= ③43= ④1.3÷13=
⑤0.5×6= ⑥1÷100= ⑦0.3×0.1= ⑧10÷1.25÷8=
9.6+4=
31.5+9.5=
2.4×0.5=
3.2×0.3÷3.2×0.3=
1.5×30=
7.6-0.21=
1.6÷0.25=
7.8-3.2-2.8=
综合算式: