① = ②3.14×32= ③ = ④1÷50%=
⑤ = ⑥ = ⑦ = ⑧ =
① × = ②24× = ③3× = ④1﹣ =
⑤ ÷2= ⑥2÷ = ⑦ ÷ = ⑧0÷ =
36× = 12× = × = ×3=
1÷ = ÷6= ÷ = 100÷10%=