18÷0.2= 3÷2= 4.8÷6= 7.5÷0.5=
6÷12= 7.23×0.1= 3.2÷0.32= 6.06÷0.6=
204÷24= 52.2÷4.5= 23.25÷0.63≈
13.68÷1.9= 38÷57≈ △8.91÷0.33=
1.58×6.5= 6.93÷3.3= ☆256.4÷12≈
40-3.69÷18
3.14×42-3.14×32
62×0.98
6.3×103-0.63×30
0.48÷0.01= 2.4×0.5= 100÷2.5×4= 0.88+0.02= 3.85-2.76= 11÷12.5= 1.01+0.101= 1.44÷1.2= 0.88+0.02= 3.85-2.76=
0.42÷7= 2÷5= 1÷0.2=
8.4÷2.1= 1.26÷0.6= 0.9×100÷1000=
0.5÷100=
4.302×10=
1-0.99=
2.35-0.8-1.2=
2.9-1.85=
2.17+0.9=
15×9+15=
125×8÷125×8=
4.6×2.5=×
2.5×(1.38×0.4)=×(×)
2.64×10.1=×+×
修一段长1200米的跑车赛道,计划40天完成,实际每天比计划多修10米。