25x(4x8)的简便计算？ 25x括号4x8括回用简便的方法来计算？

25\u00d7\uff084\u00d78\uff09\u5982\u4f55\u7b80\u4fbf\u8ba1\u7b97

25\u00d7\uff084\u00d78\uff09=25\u00d74\u00d78=100\u00d78=800\u53bb\u62ec\u53f7\u7684\u8ba1\u7b97\u65b9\u6cd5\u6ee1\u610f\u8bf7\u91c7\u7eb3\uff0c\u8c22\u8c22\uff01\uff01\uff01

25*4=100*8=800

25x(4x8)
=25x4x8
=100x8
=800

25x（4十8）的简便计算

25x32x125鐨勭畝渚跨畻娉?
绛旓細25x32x125鐨勭畝渚跨畻娉鐨勮绠楁楠ゆ槸锛25x32x125 =25x锛4x8锛x125 =锛25x4锛墄锛8x125锛=100x1000 =100000 瑙ｉ鍒嗘瀽锛氬洜25涓4鐩镐箻绛変簬鏁寸櫨锛125涓8鐩镐箻绛変簬鏁村崈锛屽彲浠ュ皢32鎷嗘垚4鍜8鐨勪箻绉紝鐒跺悗鍒╃敤涔樻硶鐨勭粨鍚堝緥杩涜鍒嗗埆缁勫悎鐩镐箻锛岃揪鍒扮畝渚胯繍绠楃殑鐩殑銆

1/6脳(5-2/3)绠渚胯绠
绛旓細1/6脳锛5-2/3锛绠渚胯绠锛=5/6-1/9 =15/18-2/18 =13/18 鐢ㄥ埌浜嗗垎瑙ｆ硶锛氬湪鏌愪簺涔橀櫎娉曠畻寮忎腑锛屽彲浠ユ妸鍏朵腑鐨勬煇涓暟杩涜鍒嗚В锛屼娇璁＄畻绠渚銆備緥濡傦細25x1.25x32=25x1.25x锛4x8锛=锛25x4锛墄锛1.25x8锛=100x10=1000 560梅35=560梅7梅5=80梅5=16 ...

25x32x8x125鎬庢牱绠渚鎬庢牱绠
绛旓細鍘熷紡 =25x(4x8)x8x125 =(25x4)x8x(8x125)=100x8x1000 =800x1000 =800000 渚涘弬鑰冦

25x8X4X8鐨勭畝渚胯繍绠?
绛旓細绠渚胯繍绠

2017/2018x2017绠渚胯绠
绛旓細2017/2018x2017绠渚胯绠锛2017/2018脳2017 =锛1-1/2018锛壝2017 =2017-2017/2018 =2016+1-2017/2018 =2016+1/2018

50x(4x8)鐨勭畝渚胯绠鏄粈涔
绛旓細锛50脳4锛壝8锛200脳8=1600

48+372+42+1628鐨勭畝渚胯繍绠
绛旓細48+372+42+1628 =48+42+(372+1628)=90+2000 =2090

25脳48鎬庝箞绠渚胯繍绠
绛旓細绠渚跨畻娉濡備笅锛氭柟娉曚竴锛氳В锛25脳48 锛100/4x48 锛100/4x4x12 锛100x12 锛1200 鏂规硶浜岋細瑙ｏ細25脳48 锛25x锛50-2锛夛紳25x50-25x2 锛1250-50 锛1200 鏂规硶涓夛細瑙ｏ細25脳48 锛濓紙2x4锛夛紙2脳8+4脳5锛夛紙5脳8锛锛8锛36锛夛紙40锛夛紳8锛40锛夛紙0锛夛紳1200 ...

25鈪32x125绠渚胯绠鏂瑰紡?
绛旓細鎮ㄥソ锛屾牴鎹偍鐨勬弿杩帮紝鍘熷紡=25x锛4x8锛x125=24x4x125x8=100x1000=100000 绾墜鍐欙紝鏈涢噰绾炽

(28鍗360)梅(20梅5)绠椾究杩愮畻?
绛旓細鈥︾殑鏁帮紝閫氳繃杞寲浣垮叾鍙樻垚鏁村崄銆佹暣鐧锯︹︾殑鏁帮紝鍔犳垨鍑忎竴涓暟鐨勫舰寮忥紝鍙娇璁＄畻绠渚銆備緥濡傦細536-198=536_锛200_2锛=536_200+2=33844x101=44x锛100+1锛=44x100+44=44442銆佸垎瑙ｆ硶銆傚湪鏌愪簺涔橀櫎娉曠畻寮忎腑锛屽彲浠ユ妸鍏朵腑鐨勬煇涓暟杩涜鍒嗚В锛屼娇璁＄畻绠渚裤備緥濡傦細25x1.25x32=25x1.25x锛4x8锛=锛25x4...