13.3+6.7= 12= = 49×101≈
21×50= 12.5×8= 0.72÷0.8= =
78﹣0.9=
8.1÷3=
2.5×20=
--=
45÷50%=
-=
1000÷125÷8=
0.9﹣0.22=
10.2﹣9.7﹣0.3=
3.14×40=
①5x﹣
②
③5x﹣14×0.5=56
④24:=32:x
196﹣69=
× =
÷ =
6.22+44.78=
6÷2%=
3﹣3÷7=
+ =
+ ÷ =
598+403≈
0.125×3.2=
24÷ =
0.5×0.6÷0.5×0.6=
45× =
÷10=
0÷ =
0.75× =
102﹣92=
25×40%=
7.9+5.12=
2.5×36×4=
=
8.1÷0.9=
0.37+0.73=
2.5÷0.05=
0.15×4=
÷3=
×1 =
1.2× =
45×20%=
﹣ =
9.3﹣3.9=
树高/m
1
2
3
4
5
影长/m
0.8
1.6
2.4
3.2
答:三辆车一共坐了( )人
答:大巴车比小车多坐了( )人