直接写出得数．
73﹣37= 38+45= 63﹣5= 60÷7= 673﹣290= 856﹣420=
340+470= 42÷8= 956﹣489= 1000﹣562= 1563+563= 59÷9=
相关试题
直接写出得数．
73﹣37= 38+45= 63﹣5= 60÷7= 673﹣290= 856﹣420=
340+470= 42÷8= 956﹣489= 1000﹣562= 1563+563= 59÷9=
÷1
=
÷
= = 
÷1
4
÷5
÷1
÷1
6
÷
×3
2
﹣
．
等于1吨的
．
×
=
÷1.5=
× =
6﹣
﹣
=
÷ =
0÷5×
= 5﹣4÷5= 2×
÷2×
÷
÷
×
÷21
=
=
=
=
=
=
=
=
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