20以内的退位减法专项练习题
一.计算题(共50题,共468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.算一算。
4+9=______ 11
-3=______ 9
+7=______ 12
-5=______
5+9=______ 12
-5=______ 4
+7=______ 13
-6=______
8+6=______ 14
-7=______ 12
-9=______ 13
-7=______
3.算一算。
8-8+11= 18
-3-12= 11
-8+10= 11
-10+ ...
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