Mathematics
Senior High
Resolved
91の二乗が7の二乗と13の二乗になってるのがよく分からないです。教えてください🙇🏻♀️
49-
2
91
15
72.132
=49-
152
132
=491
152
=49.152-132
152
=49..
(15+13)(15-13)
152
あるか
=
ると,
49-56
152
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