比8的4倍还多5的数是多少 一个数比5.3的四倍还多6.8,这个数是多少?
\u4e59\u6570\u662f\u516b\u70b9\u4e03\u4e94\u6bd4\u7532\u6570\u7684\u56db\u500d\u8fd8\u591a\u96f6\u70b9\u4e8c\u4e94\u7532\u6570\u662f\u591a\u5c11\u5217\u5f0f\uff081\uff09\uff085+0.6\uff09\u00f72.8
=5.6\u00f72.8
=2\uff0e
\u7b54\uff1a\u4e59\u6570\u662f2\uff0e
\uff082\uff094.7\u00d725%=1.175
\u7b54\uff1a4.7\u7684\u767e\u5206\u4e4b\u4e8c\u5341\u4e94\u662f1.175\uff0e
\uff083\uff098x+1.2=17.2
8x=17.2-1.2
8x=16
x=2
\u7b54\uff1ax\u662f2\uff0e
\u4f60\u597d\uff1a
5.3\u00d74+6.8=28
\u8fd9\u4e2a\u6570\u662f28
\u613f\u5bf9\u4f60\u6709\u5e2e\u52a9\uff01
②8×4+3
=32+3，
=35；
③6×5+4
=30+4，
=34．
绛旓細8x-4x=5 4x=5 x=5/4 =1.25 杩欎釜鏁扮殑24鍊嶄负24脳1.25=30 鍒楁柟绋嬭В搴旂敤棰樻楠わ細1銆佸疄闄呴棶棰橈紙瀹￠,寮勬竻鎵鏈夊凡鐭ュ拰鏈煡鏉′欢鍙婃暟閲忓叧绯伙級銆2銆佽鏈煡鏁帮紙涓鑸洿鎺ヨ,鏈夋椂闂存帴璁撅級锛屽苟鐢ㄨ鐨勬湯鐭ユ暟鐨勪唬鏁板紡琛ㄧず鎵鏈夌殑鏈煡閲忋3銆佹壘绛夐噺鍏崇郴鍒楁柟绋嬨4銆佽В鏂圭▼锛屽苟姹傚嚭鍏跺畠鐨勬湯鐭ユ潯浠躲5銆...
绛旓細鑰佸笀鏈澶氾細8脳5-1 =40-1 =39锛堝瞾锛夎佸笀鏈灏戯細8脳4+1 =32+1 =33锛堝瞾锛
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绛旓細灏忔槑浠婂勾8宀侊紝濡堝鐨勫勾榫勬槸灏忔槑鐨4鍊嶈繕澶3宀侊紝濡堝浠婂勾35宀併傛牴鎹鎰忓彲浠ヨ绠楋細濡堝浠婂勾骞寸邯锛8脳4+3 =32+3 =35锛堝瞾锛夋墍浠ュ濡堜粖骞35宀
绛旓細8x-4x=5 4x=5 x=5/4 =1.25 杩欎釜鏁扮殑24鍊嶄负24脳1.25=30銆傝В鏂圭▼鍐欏嚭楠岀畻杩囩▼锛1銆佹妸鏈煡鏁扮殑鍊间唬鍏ュ師鏂圭▼銆2銆佸乏杈圭瓑浜庡灏戯紝鏄惁绛変簬鍙宠竟銆3銆佸垽鏂湭鐭ユ暟鐨勫兼槸涓嶆槸鏂圭▼鐨勮В銆備緥濡傦細4.6x=23 瑙ｏ細x=23梅4.6 x=5 妫楠岋細鎶娒=5浠ｅ叆鏂圭▼寰楋細宸﹁竟=4.6脳5 =23=鍙宠竟 鎵浠ワ紝x=5鏄鍘...
绛旓細鍥犱负4鍊姣8鍊嶅皯24锛屾墍浠ヨ繖涓暟鐨4鍊灏辨槸24锛岃繖涓暟灏辨槸24梅4=6锛屽畠鐨24鍊嶅氨鏄24脳6=144
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