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425 235 175的简便运算

425-(235-175)=425+175-235 =600-235=365涉及到括号内的加减变换,将括号去掉,得出425+175-235,前者之和是整数600,比较容易进行下一步运算.

425 +235+ 175=425+175+235=600+235=835

425-(317-175)的简便运算425-(317-175) =425-317+175 =425+175-317 =600-317 =283

700-425-175=700-(425+175)=700-600=100

(1)2700-425-175, =2700-(425+175), =2700-600, =2100; (2)125*88, =125*(8*11), =125*8*11, =1000*11, =11000; (3)1200÷25÷4, =1200÷(25*4), =1200÷100, =12; (4)400÷(120-20*4), =400÷(120-80), =400÷40, =10; (5)41+127+59+173, =(41+59)+(

解:原式=(425-175)+(129-229)=250-100=150

425 136 175 264用简便方式怎么写?425 136 175 264=(4325+175)+(136+264)=600+400=1000

原题为425-229+175+129=(425+175)-(229-129)=600-100=500

425x95=(400+25)*95=400x95+25x(100-5)=38000+2500-125=40500-125=40375

235+235 =235*2 =470 你好,本题已解答,如果满意 请点右下角“采纳答案”.

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