《2025年小学生每日10分钟一年级数学下册通用版》

算一算。
①$20 + 41 + 30 =$ ⑰$40 + 50 - 20 =$
②$64 + 5 + 20 =$ ⑱$32 + 10 + 5 =$
③$8 + 30 + 40 =$ ⑲$23 + 40 - 7 =$
④$50 + 24 + 6 =$ ⑳$78 + 20 - 30 =$
⑤$6 + 32 + 20 =$ ㉑$28 + 30 + 30 =$
⑥$20 + 30 + 50 =$ ㉒$7 + 50 + 40 =$
⑦$20 + 40 + 24 =$ ㉓$30 + 4 + 20 =$
⑧$31 + 7 + 40 =$ ㉔$34 + 20 - 30 =$
⑨$34 + 10 + 20 =$ ㉕$36 + 2 + 40 =$
⑩$30 + 0 + 70 =$ ㉖$70 + 29 - 30 =$
⑪$22 + 7 + 40 =$ ㉗$4 + 81 - 20 =$
⑫$65 + 30 - 20 =$ ㉘$26 + 30 - 20 =$
⑬$5 + 3 + 40 =$ ㉙$5 + 26 - 10 =$
⑭$20 + 70 + 6 =$ ㉚$90 - 10 - 40 =$
⑮$30 + 10 + 40 =$ ㉛$30 + 10 - 20 =$
⑯$52 + 7 + 20 =$ ㉜$80 - 40 - 40 =$

答案： ①91 ②89 ③78 ④80 ⑤58 ⑥100
⑦84 ⑧78 ⑨64 ⑩100 ⑪69 ⑫75
⑬48 ⑭96 ⑮80 ⑯79 ⑰70 ⑱47
⑲56 ⑳68 ㉑88 ㉒97 ㉓54 ㉔24
㉕78 ㉖69 ㉗65 ㉘36 ㉙21 ㉚40
㉛20 ㉜0