237-25+75用简便算法怎么做？ 75✖️27+19✖...
738\u00d725+75\u00d7738\u7b80\u4fbf\u7b97\u6cd5\u600e\u4e48\u505a\uff1f=\uff0825+75\uff09x738
=100x738
=73800
\u671b\u91c7\u7eb3
\u4f60\u597d\uff0c\u8fd9\u9053\u9898\u7684\u7b80\u4fbf\u7b97\u6cd5\u5982\u4e0b\uff1a
75\u00d727+19\u00d725
=25\u00d73\u00d727+19\u00d725
=25\u00d7(3\u00d727+19)
=25\u00d7(81+19)
=25\u00d7100
=2500
\u671b\u91c7\u7eb3\u3002
答：237-25+75=237-（25+75）
=237-100
=137
237-25+75
=237-(25-75)
=237-(-50）
=237+50
=287
或者
237-25+75
=237+75-25
=237+（75-25）
=237+50
=287
75－25等于50 200-50=150+37
75-25=50 然后用237+50=287
绛旓細125-锛198+275锛+102锛岃繖涓紡瀛愮‘瀹炴槸鏈绠渚跨畻娉曠殑锛岄鍏堟垜浠瀵熶竴涓嬪紡瀛愪腑鐨勫洓涓暟瀛楋紝125涓275鐨勫樊鏄竴涓暣鏁198涓200鍙堥潪甯哥浉杩戯紝鎵浠ュ埄鐢ㄥ姞鍑忔硶鐨勭粨鍚堝緥鍙互鎶婁笂寮忓彉鎹负125-275-198+102=锛125-275锛-锛200-2锛+102=-150-200+2+102=-350+104=-246锛屼笂寮忕粡杩囪繖涔堜竴鍙樻崲锛岃绠楄捣鏉ュ氨鐩稿...
绛旓細浣犲ソ锛岃繖閬撻鐨勭畝渚跨畻娉濡備笅锛637-(237+42)=637-237-42 =400-42 =358 鏈涢噰绾炽
绛旓細237x25x8 =237x(25x8)=237x200 =47400
绛旓細绠渚胯绠 237+ 196+ 73-104 =锛237+73锛+锛196-104锛=310+92 =402
绛旓細63-28-72-50+137=63+137-锛28+72锛-50=200-100-50=50 璁颁綇锛屽墠闈㈠噺鍙峰姞鎷彿瑕佸彉鍙
绛旓細瑙ｏ細25+137+75 =锛25+75锛+137 =237 99x56+56 =锛99+1锛墄56 =5600 77x101 =77x100+77x1 =7777 256x7锛56x7 =(256-56)x7 =200x7 =1400
绛旓細3/8脳79/75脳24脳25 =3/8脳79/75脳8x3脳25 =3/8x8x79/75x75 =3x79 =237 璋㈣阿锛岃閲囩撼
绛旓細3/8脳79/75脳24脳25 =3/8脳24脳79/75脳25 =9脳79/3 =231 杩欓亾棰鐨勭畝渚杩愮畻灏辨槸鍏堝皢鑳界害鍒嗙殑鏀惧湪涓璧峰舰鎴
绛旓細1.2銆3銆5鐨勬渶灏忓叕鍊嶆暟涓30锛屾墍浠ュ彧鏈30鐨勫嶆暟鎵嶈兘鍚屾椂鍊2.3.5鏁撮櫎 240=30*8=237+3 鎵浠ユ渶灏忓姞3 2.B*4+2=A 1000A=1000B*4+2000 鎵浠ュ晢涓嶅彉锛屼綑鏁颁负2000 3.2 3 4.B-2 B+2 5.椤惰搴︽暟涓180/锛1+2+2锛=36 6.璁捐鍑忔暟涓篨 锛屽噺鏁颁负X-x*(7/15)=(8/15)x 姣斾负(8/15)...
绛旓細236-139+124+236 =锛236+124锛-140+237 = 360-140+237 = 220+237 =457
