①x÷2.8=4
②3x-15=21
③4x÷3=16
④3x-2×0.3=9
⑤5x-3.2x=2.16
6.3﹣1.7=
7.3÷10=
6÷13=
48.6÷0.6=
4.8×0.25=
2.4×1.5=
17÷8=
6.5×0.2=
- = + = 1- = + - =
+ = 0.5- = - = + - + =
+ = 2- = + = - =
-2= + = - = 1- =
小明:130,小红:132,可可,135,乐乐:150
只有一位同学做对了,他是 ,这三个奇数中最大是 。
9÷9= 1000﹣40= 300+70= 8÷1= 2500+1500=
60+30= 1500﹣600= 0×8= 608+291≈ 908﹣198≈