70÷10= 240÷80= 360÷60= 60÷30=540÷90= 720÷90= 350÷70= 400÷80=480÷60= 630÷70= 450÷90= 420÷60=
直接写出得数． 17×=+=×52= 1÷= 3﹣=÷3= 0.32= 20×5.5=
直接写出得数+=﹣=÷= 0.37+1.6=
+=÷= 12.6﹣6.06= 201+75=×=
直接写出得数：﹣= 6×= 0÷=×=+=÷=×=×=
+=﹣=+=+= 1+= 2﹣1=﹣= 3﹣= 1+2=×= 7﹣4=×13=×4= 8×=÷= 5÷=÷8= 8÷= 3÷=÷=
=
+
=
×52= 1÷
=
=
÷3= 0.32= 20×5.5=
+
=
﹣
=
÷
= 0.37+1.6=
+
=
÷
= 12.6﹣6.06= 201+75=
×
=
﹣
= 6×
= 0÷
=
×
=
+
=
÷
=
×
=
×
=
+
=
﹣
=
+
=
+
=
+
= 2
﹣1
=
﹣
= 3
﹣
=
+2
=
= 7﹣4
=
×13
=
×4= 8×
=
÷
= 5÷
=
÷8= 8÷
= 3
÷
=
÷
=
粤公网安备 44130202000953号