四年级下册《用简便方法计算》练习题.pdf
四年级下册用简便方法计算练习题四年级下册用简便方法计算练习题四年级下册用简便方法计算练习题 能简便的用简便方法计算(一)39813,256 415,597,315 648?181225747,4347 720?45,23106 287,104,87,19698,156?13,45(106,48)(39,18)2233?20315,89能简便的用简便方法计算(二)51499,514 900?15?3 871,(45,171)58101 613,314,113,86 1251625907101,907 36,64?4,96(169,58)120?1536?1824?6 48,52162,62 900?(312)能简便的用简便方法计算(三)235,147,47 156,48,56,52 713,542,287,1583619,36 9813,254(657,125)8906?3,900?36 6899 125249能简便的用简便方法计算(四)3709,10611 85,1516 8957,894310287 73,128,142(99,67)(23,16)354,185,115 628,473,172 988,716,504136452 78(489,406)126012?35能简便的用简便方法计算(五)840,187,213 906,176,124,106 572101,57257321,573 19000?125?8 400?(258)1042,(850,42)854,(308,146)781625能简便的用简便方法计算(六)(805,728)306?3 600?254 17382,17317,17392(20,2)888125 800?25,2531254,(154,85)3625 856,245,156,455512586 556,95?513 36(234,179),104能简便的用简便方法计算(七)3525,2413 885,85?17 800?(208)(314,86)45 982,(78,182)855?1516,43269076,69024 118(100,2)1257216能简便的用简便方法计算(八)125,75?156 1450,125,75 857,134,34,4377102 8949,89 25169363?11,12012 4599 3516,3585,35117?13(63?7)360,4080?16 600?(55)能简便的用简便方法计算(九)(40,5)25 5000?125?8 360452(500,188)?16 314108,3148 25288314,264?24 30615,2119 165,37,65,63能简便的用简便方法计算(十)960,(85,79)584,(84,125)56,108,92,4488125 168(47,23)450?2520,1636327?3,10612(145,45?5)24 912117,91217542,(168,42)67102 700?14?5能简便的用简便方法计算(十一)54(40,2)2316,98?114 35(24,13)?7897,(543,97)369,214,86 785,213,654552?23,1908?106 55102 4516能简便的用简便方法计算(十二)(413,254)(98,42)75?1536,78 154,648?12343,(257,143)408?12(29,11)85,152421664,36216 71317,7713(112,64)18513,306,94,87 1080,578,413 9711,97能简便的用简便方法计算(十三)(247?19,25)8 6320,20425(306,43)11540?(912)25098 8726,87 14806258 44425 138,75,862,125加减法简便运算(十四)125,574,275,126 543,206,157,94 997,147,253184,520,84,80 854,123,76,101 313,206,294,213736,(254,64)576,716,84,176 523,(205,123)516,(135,116)702,223,177,98 620,402,102能简便的用简便方法计算(十五)785,1156(765,436)25 530?5106(147,69)203 582,600?15(125,43)(64,85)390?1312 136,258,642 367,885,133能简便的用简便方法计算(十六)479,124,276,321 336,109,164,791 420?4(120,85)125298(125,88)102 3212525206345 125987 860,160?4025(20,4)1216,1284 29101