1367 × 139 × (18^2 – 15^2) – 1268 × 13^8 × 13^4 ÷ 13^10

0 bình luận về “1367 × 139 × (18^2 – 15^2) – 1268 × 13^8 × 13^4 ÷ 13^10”

1. `1367 × 139 × (18^2 – 15^2) – 1268 × 13^8 × 13^4 ÷ 13^10`

   `=1367 × 139 × (324 – 225) – 1268 × 13^8 × 13^4 ÷ 13^10`

   `=1367 × 139 × (324 – 225) – 1268 × 13^12 ÷ 13^10`

   `=1367 × 139 × (324 – 225) – 1268 × 13^2`

    `= 1367 × 139 ×99  – 1268 × 13^2`

   `= 1367 × 139 × 99  – 1268 × 13^2`

   ` = 18811287 – 1268 × 169`

   ` =18811287 -214292`

   ` = 18596995`

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2. Đáp án:

   `18596995`

   Giải thích các bước giải:

   `1367×139×(18^2-15^2)-1268×13^8×13^4:13^10`

   `=1367×139×(324-225)-1268×13^{8+4-10}`

   `=1367×139×99-1268×13^2`

   `=1367×139×99-1268×169`

   `=18811287-214292`

   `=18596995`

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