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銆€銆€A.62銆€銆€B.63銆€銆€C. 64銆€銆€D. 65
銆€銆€2銆�124锛�3612锛�51020锛�( )
銆€銆€A.7084銆€銆€B.71428銆€銆€C.81632銆€銆€D.91836
銆€銆€3銆�1锛�1锛�2锛�6锛�24锛�( )
銆€銆€A.25銆€銆€B.27銆€銆€C.120銆€銆€D.125
銆€銆€4銆�3锛�4锛�8锛�24锛�88锛�( )
銆€銆€A.121銆€銆€B.196銆€銆€C.225銆€銆€D.344
銆€銆€5銆�20锛�22锛�25锛�30锛�37锛�( )
銆€銆€A.48銆€銆€B.49銆€銆€C.55銆€銆€D.81
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銆€銆€2銆愯В鏋愩€戦伕B锛�
銆€銆€鎬濊矾涓€锛� 124 鏄� 1銆� 2銆� 4; 3612鏄� 3 銆�6銆� 12; 51020鏄� 5銆� 10銆�20;71428鏄� 7锛� 14 28;姣忓垪閮芥垚绛夋瘮銆�
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銆€銆€3銆愯В鏋愩€戦伕C銆�
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銆€銆€鎬濊矾浜岋細鍚庨爡(xi脿ng)闄や互鍓嶉爡(xi脿ng)=>1銆�2銆�3銆�4銆�5 绛夊樊
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銆€銆€8=22 +4锛�
銆€銆€24=24 +8锛�
銆€銆€88=26 +24锛�
銆€銆€344=28 +88
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