2﹣50%=
3.14×2=
× =
+ =
1÷25%=
5.5× =
6.04÷0.2=
× ÷ =
①1300﹣497=
②0.81+15.3=
③=
④30%×=
⑤=
⑥14:0.7=
⑦2.4÷=
⑧1÷﹣÷1=
3.1+0.4= += 640÷16= ×3×4=
10÷= ×= 2.4×= 25×40%=
99×7.2= 45×10.1= ÷ = + ﹣ = 1.25×3.2×2.5=
28.9÷1.25÷0.8= 56.5×9.9+5.65= (2.5﹣0.25)×0.4=
78.2﹣8.2×1.3= 4.5÷1.5÷1.5=
=
24×0.5=
59%×0=
1÷ =
7.4+0.06=
2.4×75%=
5.63-3= 0.5× = +0.75= 3.6÷60%=
4× ÷4× = 0.22= 0.25×16= 0.1+99×0.1=