发布人:繁体字网(www.fantiz5.com) 发布时间:2015-10-24 07:30:00
试题原文 |
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(1)(125+83)×32, =208×32, =(200+8)×32, =200×32+8×32, =6400+256, =6656; (2)16×78-(1440÷45+29), =16×78-(32+29), =16×78-61, =1248-61, =1187; (3)513×63+36×513+513, =513×(63+36+1), =513×100, =51300; (4)216×27÷81+712÷89, =5832÷81+712÷89, =72+8, =80; (5)125×320×25, =125×(8×40)×25, =(125×8)×(40×25), =1000×1000, =1000000; (6)5580÷[30+12×(361-356)], =5580÷[30+12×5], =5580÷[30+60], =5580÷90, =62. |
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