10-9.05=
0.77+0.3=
12-2.05=
1.7×4×0.25=
0÷19.8=
2÷0.05=
0.08×1250=
0.8×2÷0.8=
①2.95+0.5= ②98﹣25= ③18×0.3= ④609÷3= ⑤0.3×0.4=
⑥26+0.2= ⑦×= ⑧5﹣= ⑨+= ⑩6÷=