式の計算の利用で求め方を教えて欲しいです😿 - Clearnote

Mathematics

Junior High

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about 2 yearsago

式の計算の利用で求め方を教えて欲しいです😿

992-2x96 × 99+962 A

Answers

✨ Best Answer ✨

about 2 yearsago

a²-2ab+b²=(a-b)²を使う
99²-2×96×99+96²
=(99-96)²
=9

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