① × = ②24× = ③3× = ④1﹣ =
⑤ ÷2= ⑥2÷ = ⑦ ÷ = ⑧0÷ =
27×2=
1419÷719=
78+12=
1.25×8=
49÷49=
2910÷49=
5÷5÷15=
32−32×18=
5.34+0.66=
101×30=
0.4+6.0=
12+13=
5÷0.05=
23×25=
17-19=
34+12=
13÷2611=
54×118=
2.5×4= 10−3.7= 5.6×10%=
37+25= 0.8÷0.002= 81÷3=
34+12= 15−16= 15÷78= 23×78=