看图列方程，并求出方程的解．
1+3= ．
= ．
口算 55+37= 80﹣26= 1400﹣800= 2+210= 9+300= 82+0= 1﹣= += ﹣= ．
口算我最棒.+= += ﹣= ﹣=+= 1+= ﹣0.2= +0.3=+= 1﹣+= ﹣﹣= ++=
= = = =0.32= = = == 2x+x=
+3= ．
= ．
= 
+
= 
﹣
= ．
+
= 
+
= 
﹣
﹣
=
+
= 1+
= 
﹣0.2= 
+0.3=
+
= 1﹣
+
= 
﹣
﹣
= 
+
+
=
= 
= 
= 
=
= 
= 
=
= 2x+x=
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