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.
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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
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