《20以内的退位减法》计算题
36道一.计算题(共35题,共366分)1.口算。5+6= 12-8
= 12+0
= 8+4-3
=19-7
= 9+8
= 17-8
= 4+8+2
=4+11
= 16-8
= 13-7
= 9+5-7
=13-10
= 14+4
= 8+5
= 17-9-8
=12+7
= 11-7
= 10-7
= 11-7+8
=2.计算题。
17+2= 18
+2= 4
+16= 12
-2= 4
+3=20-2= 6
+10= 11
+8= 2
+18= 9
+10=8+6= 13
-4= 3
+14= 5
+4= 19
-1=7+1= 13
-2= 8
-1= 16
-9= 15
+5=3.计算题。
20-1= 14
+2= 3
+16= 1 ...


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