Mathematics
Senior High
2行目から3行目の式変形を教えてください。
1= 11-2.5 (③より)
の…24 = 12+2
=11- (24-11·2) .5 (②より)
レ=11·11-24 5
= (35-24) · 11-24·5 (①より)
=35·11-24 - 16
より
24-(-16)- 35·(11) =1
が得られる
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