×100= ÷ = 0.75× = ÷ = ×0÷ =
6÷ = ÷2= 75× = × = 时:80分钟=
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( )