阶段练习(2)-【勤径千里马】2026-2027学年三年级上册数学同步竖式脱式计算（北师大版·新教材）

⊙计算常练 用时： 一、脱式计算。 ①305+138+102 4843-(195+183) 三 = ⑦608-419-165 = 10304+223+182 = = 13276+613-101 阶段练习(2) 分秒 错误：个_家长评价：☆女女☆女- 2567-185-228 ③352+220-338 ⑤448+257+126 6963-(568+164) 8782-(288+334) ⑨230+138+126 = 1①757-(153+475) 12440+124-277 之 14211+132+167 15917-601-184 三 见此图标园抖音/微信扫码掌握技巧，笔算快人一步！ 35 二、下面的计算对吗？对的画“√”，错的画“X”,并改正。 ①420+117-109 ②218-(67+96) =537-109 =151+96 改 =438 ( ) 正 =247 ) 正 ③403-175-212 4974-(467+125) =238-212 =974-582 改 =26 ) =392 ( 正 正 ⑤149+287+318 ⑥165-146+465 =436-318 =311+465 改 改 =118 ( =776 ( 正 正 ⑦841-(428+134) 8645-309-304 =413+134 =346-304 改 改 =547 ( ) =42 ( ) 正 正 36 同步竖式、脱式计算·三年级·北师版·上册⑨833-(248+262) 0539-384+153 =833-510 =155+153 =323 =308 ①478+509-636 ②947-(274+419) =987-636 =947-693 =351 =254 阶段练习(2) ①305+138+102②567-185-228 =443+102 =382-228 =545 =154 ③352+220-338（④843-(195+183） =572-338 =843-378 =234 =465 ⑤448+257+1266936-(568+164) =705+126 =963-732 =831 =231 ⑦608-419-165⑧782-(288+334) =189-165 =782-62 =24 =10 ⑨230+138+1260304+223+182 =368+126 =527+182 =494 =709 ①757-(153+475)2440+124-27 =757-628 =564-27 =129 =287 3276+613-101 ④211+132+167 =889-101 =343+167 =788 =510 15917-601-184 =316-184 =132 三年级·北师版·上册 二、①×420+117-109 =537-109 =428 ②×218-(67+96) =218-163 =55 ③×403-175-212 =228-212 =16 ④×974-(467+125) =974-592 =382 ⑤×149+287+318 =436+318 =754 ⑥×165-146+465 =19+465 =484 ⑦×841-(428+134) =841-562 =279 ⑧×645-309-304 =336-304 =32 四、我们生活的空间（一） 1.复习三位数连加三位数 ①103+279+198 ②206+402+211 =382+198 =608+211 =580 =819 ③107+171+369 ④163+153+591 =278+369 =316+591 =647 =907 ⑤199+310+116 ⑥154+212+488 =509+116 =366+488 =625 =854