+ = + = 1- = - =
+ = - = + = - =
①
②
40×1.2=
24×0.5 =
2-0.09=
1.25×80=
3.6÷0.06=
9.6÷32=
26.26÷26=
4.57+6.43=
7.9×11-7.9=
7÷11=
13÷15=
还有其他的包装方式吗?
30=+
24=+
16=+
把上面这些数字按从小到大排列:
<<<<<
把上面这些算式按得数从大到小排列:
>>>