2×0.5= 4×6.5= 8.5+14.51= 10-2.03=
5.2-1.9= 3.6÷4= 0.28÷0.7= 1÷ =
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( )
32-25= 1.7×0.3= 1- = 8÷ =
14×4= 3.5÷0.7= = =
45÷5= 12÷0.1= = =
= ×16= 0.234=( )% 8.1-5.7=
= 0 = =( )% 0.8×3=
= 1= =( )% 9.09÷9=
-1= 12× = 80%= 2-1.36=
= 1÷7= 35%=
618+23= 3.2+2= 2.4×5= 3.6÷1.2=
25÷ = 8.1÷0.03= × = - = 7.45+8.55=
2- = × = 1 .5×4= × = 2.4×5=
28+69= 920-550= 19×50= 910÷70=
79-0.9= 6.4÷0.2= 35×20%=