Mathematics
Senior High
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(2)がなぜこのような解答になるかイマイチ分かりません😢
とュー学外り55
/356. 次の敵いに符えよ.
j ax
( 2だIII 手の出し方は何通りあ Ne。
「) ? 個の数字0. 1.2.3.4を重複を許して使うとき, 4 桁以下の整数は
つできるか.
8 次の同いに等えよ.
II
356.(1) 3*=81(通り)
(2) 4x5+4x5*+4x5+5
=500+ 100+20+5 =625(信)
mm !
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