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1、二十以内加减法练习题（总共120题）班级班级姓名时间成绩283十252=598158=12065 =755+50 =97024463212767 :440十489602119522219222+440=788525457=138+225=512+106=10 + 334 ：=568+379=641165十350917879=35 十 *47 =534+106=810691=982366330=574344=710122=894646=196+755=326803664334296321+399685110270+708=446147+514=461+308=922+37 :二753420=71
2、2+180=70344049 :=820十55 ：=850318=985763=340177=890673317=345十373=31+，150 =705215=554405664677167=63 4 :277 =914一296236+36 =637358898223+155=320164=579+179=284+386=528+244=438131十816=245十346=292+179=79016 ：=40991 =15323 + i531 :=162+399=268+704904598=41234 =988433+292=262十113360+595651+84 =8 +623 =23
3、1826十88 :=350+190=354253=645484=7 +960 =57916580 :=410+185736434948232=664438=447823457=516+158=265+365399+555=373+26598255572 :35 +192 =300+420500268198+405=85826998 :=522+436=607+375=634129=444+281=522247+398=195十661=151+172=365325=77167 =17848 =65 =549 =433 =156 =182 =542 =499 =524 =746 =407 =585 =66 =187 =349 =99 =659 =223 =296 =227 =