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精选文档小学一年级数学下册计算专项练习两位数加减整十数两位数加一位数不进位两位数加一位数进位36+20 =21+6 =26+7 =30+59 =53+4 =36+9 =79-30 =76+3 =53+8 =58+40 =51+7 =34+9 =96-80 =63+5 =38+7 =40+28 =21+5 =55+8 =79-60 =33+5 =31+9 =55-30 =24+4 =28+4 =28+50 =21+4 =35+7 =76-40 =22+6 =36+8 =99-80 =32+7 =29+4 =59-50 =25+3 =33+7 =76-60 =34+5 =67+8 =26+40 =62+7 =35+9 =整十数加整十数两位数减一位数不退位两位数减一位数退位30+50 =26-3 =21-7 =60+30 =39-5 =33-4 =20+60 =66-3 =23-9 =50+40 =28-4 =58-9 =20+70 =39-6 =25-730+30 =48-6 =33-650+20 =55-254-840+40 =93-122-560+10 =59-715-910+80 =37-527-820+3054-296-810+5025-454-820+4077-627-9 可编辑