1 ÷11 =0.090909…… 10÷11 =
2÷11 =0.181818…… 11 ÷11 =
3 ÷11 =0.272727…… 12 ÷11 =
4÷11 =0.363636…… 13 ÷11 =
70÷ 5.6= 4.2÷12=
24.5÷2.5= 15.12÷4.5=
176.4÷0.63= 9.744÷4.8=
①0.125×4.8×0.5
②7.2÷0.24÷0.3
③8.45×10.1-0.845
④6-5.4÷0.9×0.12
⑤0.26×2.5+0.74
⑥6.6×6.8+( ) (编成能简便计算的算式,再计算)