Mathematics
Senior High
Resolved
〜から〜になぜなるのか細かく教えてください＜(_ _)＞
3(1)- (2)40 (3) 2/15-5
2,15-、35
V6
2
5
(解説)(1)与式
=(5-/2)-/3(/5+/2)_3/2-/5-3/2-/6__6
V6
2
6-2
10+2
(2)与式=て0-2) (/10+2)(V10+1) (/10-1)
10+2+2(/10-1)_V10
6
3(/10-1)
V10+2」
10-1
6
3
2
/7+/5-2/3)(/7-/5-2/3)_(/7-2/3)?-(/5)?_7-4/21+12-5_14-4、21_-7+2、21
プルー(/7-/5+2/3) (/7-5-2/3)て/7-/5)?- (2/3)?-7-2,35+5-12
=-/7+2/3_2,15-、35
V5
-2,35
V35
5
4 30-6/5
93)
『T-/5+2/3
- 2
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