30×23= 80÷4= 33﹣18= 400÷5= 45+27=
40×22= 94﹣57= 70×80= 0÷5= 41×20=
480÷2= 360÷9= 400÷8= 210÷7= 
+
=
﹣
= 
+
= 
﹣
= 
﹣
= 
+
=
30×23= 80÷4= 33﹣18= 400÷5= 45+27=
40×22= 94﹣57= 70×80= 0÷5= 41×20=
480÷2= 360÷9= 400÷8= 210÷7= +=﹣= += ﹣= ﹣= +=
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