0.52+0.48=
1.2﹣0.6=
0.5÷0.01=
0.125+ =
2.5×0.2=
46×10%=
+ =
4÷ =
①3x﹣5=10 ②= ③x:=:
①2x﹣4×0.5=4
②:=x:
一桶油30千克,用去 , 还剩几分之几?
- = × = 80÷10%= 42×3.14=
30%+0.45= 3.6÷0.18= 2- = 6- - =
×5=
÷ =
- =
4.8÷12=
206×4=
10﹣0.09=
﹣ ÷ =
× =
1.2+0.26= 0.03÷0.4= 1÷150%= 25×4÷25×4=
- = 3÷ = 16×( × )= + + + =
时间/分
1
2
3
4
5
…
路程/千米
7
14
21