Ⅰ 175脳56-56脳70-56脳5鐢ㄧ畝渚胯繍綆楄繖棰樻庝箞鍐欙紵
175脳56-56脳70-56脳5鐢ㄧ畝渚胯繍綆楄繖鏍瘋繘琛岋細
閫嗙敤涔樻硶鍒嗛厤寰嬩嬌璁＄畻綆渚匡細
175脳56-56脳70-56脳5
=錛175-70-5錛壝56 鈥斺旀彁鍙栧叕鍥犳暟56
=100脳56
=5600
鎵╁睍璧勬枡錛
涔樻硶鍒嗛厤寰嬶細
鎸囦袱涓鏁扮殑鍜岋紙鎴栧樊錛変笌涓涓鏁扮浉涔橈紝鍙浠ュ厛鎶婂畠浠鍒嗗埆涓庤繖涓鏁扮浉涔橈紝鍐嶆妸鎵寰楃殑縐鐩稿姞錛堢浉鍑忥級錛岀粨鏋滀笉鍙樸
鐢ㄥ瓧姣嶈〃紺猴細銆銆
錛坅+b錛壝 c=a脳c+b脳c
鍙樺紡錛
錛坅-b錛壝 c=a脳c-b脳c
Ⅱ 綆渚胯繙綆 175脳56 25脳50脳25脳20脳40鎬庝箞鍋
175x56
=(25x7)x(4x14)
=(25x4)x(7x14)
=100x98
=9800
25x50x25x20x40
=(25x40)x(50x20)x25
=1000x1000x25
=1000000x25
=25000000
渚涘弬鑰冦