Câu hỏi:

13/07/2024 2,420

Đặt tính rồi tính:

a) 1 623 + 4 829

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172 872 – 82 391

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674 + 12 819

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b) 263 × 3

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208 × 12

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5 423 : 17

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Trả lời:

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Giải bởi Vietjack

a)

+1   6234  829¯    6  452 172  872   82  391¯       90  481 +       67412  819¯    13  493

b)

×263      3¯   789 ×       208          12¯         416    2  08    ¯    2  496        5  4235  1¯17319          32          17¯          153          153¯               0

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