直接写得数：
500×4= 
+
= 1﹣
= 
+= 101×2=
85﹣7= 389+470= 16×2= 1000×0= 300×4=
6×8+8= 24+46= 4500﹣1600= 72÷8= 103×5=
相关试题
直接写得数：
500×4= += 1﹣= += 101×2=
85﹣7= 389+470= 16×2= 1000×0= 300×4=
6×8+8= 24+46= 4500﹣1600= 72÷8= 103×5=
×
=
+
= 3﹣
= 3÷
=（6+
）×
=
=
×12= 1÷
=
÷
=
×
﹣
0.8
．
÷3=
×15= 2﹣
=
×75%=
×4×
=
×99+99×
×
=
÷
=
÷
= 1.8÷
= 0.2÷3=
÷
=
×
=
×
×0=
×
÷
×
÷
=
×
=
÷
×
×
= 
×12=
÷4= 
+
）×
=
= %
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