Mathematics
Junior High
Resolved
x^2-4x×2分の1-x^2+8x×2分の1で
2分の1×2分の1をすると答えが変わるのは何故ですか?
7-4712-76-1802
zx
7-42x2
1
+8xx2
Z
-x +
- 4x² + 8× × = = = * = 1/²
-4x+8x x +
XE2x +
x
Answers
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