= 
×= 1×
= 
×21=
÷3= 28÷
= 5÷
= 
÷
= 
+
= 0÷= 
÷10= 
﹣
= 
×
=
×5= 2﹣
= ÷
= 
÷
= 
÷4= 
(2) 
(4) 
＝
＝
＝
÷8＝ 
÷6＝ 
÷8＝
×45＝ 
÷2＝ 
÷22＝ 
= 3÷
= 1-
= 
+
= 
÷4 
÷14 5
÷13 7
÷11 
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