×2.1= 0.6×14= ×6= ÷5=
×0= 5÷ = ×7 =
1.25×8= ÷8= ÷ =
①
②
③
④
⑤
⑥
⑦
⑧
96﹣69=
6.5×20=
1﹣=
+=
0.54÷0.9=
×=
÷=
÷0.25=
×15= ×2= × = × =
÷ = ÷3= ÷5= ÷ =
0.37+1.8=
0.25×8=
5.1÷0.3=
1-7÷7=
1.25×4×8=
6.2-2.15
,如果四年级人数是180人,那么五年级人数是人。
方法不合理的同学是( )