52×76+4×76+76等于的简便计算? 52×76+47×76+76的简便
52✘76+47✘76+76\u7b80\u4fbf\u65b9\u6cd5\u600e\u4e48\u505a\uff1f\u4f60\u597d\uff0c\u8fd9\u9053\u9898\u7684\u7b80\u4fbf\u7b97\u6cd5\u5982\u4e0b\uff1a
52\u00d776+47\u00d776+76
=76\u00d7(52+47+1)
=76\u00d7100
=7600
\u671b\u91c7\u7eb3\u3002
76\u4e58\u4ee5\uff0852+47+1\uff09
76\u4e58\u4ee5100
7600
有3个76,所以可以把76都提出来,可以为(52+4+1)x76
等于57x76=4332
52×76+4×76+76
=52×76+4×76+76×1
=76×(52+4+1)
=76×57
=4332
绛旓細52 2*6=12 76 5*6=30 鈥斺 2*7=14 312 5*7=35 364 312+364=3952 鈥斺斺3952
绛旓細=52脳锛72+47+1)=6240
绛旓細瑙o細鍘熷紡=76脳(52+47+1)=76脳100 =7600.璇存槑锛1銆佹湰棰樺埄鐢ㄤ簡涔樻硶鍒嗛厤寰嬶細ab+ac+ad=a(b+c+d).2銆佺畝渚胯繍绠楅氬父鑰冭檻鍑10鎴100鐨勬柟寮忚繘琛岃绠.
绛旓細52x76鐢ㄥ垎閰嶅緥璁$畻濡備笅:=(50+2)x76 =50x76+2x76 =380+152 =532
绛旓細52x76鍗47x76鍗76 =52*76+47*76+1*76 =锛52+47+1锛*76 =100*76 =7600
绛旓細鏄繖涔堢敤闄ゆ硶鏉ラ獙绠52脳76鐨勩傚洜涓 52脳76=3952锛堣绠楋級锛屽張 3952梅76=52锛堥獙绠楋級銆傛墍浠 閫氳繃楠岀畻鐭 璁$畻鏄纭殑銆
绛旓細鍥炵瓟锛76*(52+47+1)
绛旓細棣栧厛锛岃绠楀嚭57脳76鐨勭瓟妗堬紝鐒跺悗鐢ㄧ瓟妗堥櫎浠76绛変簬52鎴栬呯敤绛旀闄や互52绛変簬72杩欏氨鏄獙绠椼傚叿浣撳涓嬶細
绛旓細76脳52=3952 绔栧紡璁$畻濡備笅锛氱珫寮
绛旓細52脳76+47+76 锛76脳(52+1)+47 锛76脳53+47 锛4028+47 锛4075