6×3= 18÷6= 45+32= 500+300=360﹣80= 50+800= 9×6= 72÷8=5×9= 360﹣30= 730﹣700= 6×7=
﹣ = ×=1．
商与除数的积，一定不等于被除数． ．
在横线里填上合适的数． ÷（54÷6）="8" ÷3﹣15=4．
若□=○÷3，那么□× =○；○+○=□+ ；□×9=○× ．
× = ×1=× =0.3× =+ =﹣ ．
= ×
=1．
× = ×1
=
× =0.3× =
+ =
﹣ ．
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