六年级数学四则混合运算练习题.docx

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1、四则混整数四则混合运算：9405-294028X21合运算920-168004007148+3328064-75360X24o32+73051+(2304-2042)X234215+(4361-716)o8136-7200(360018)10800(63-54)X80练习题690+47X52-3982100-94+48X54(247+18)X27025(528+912)X5-61788528041X38-904264+318-8280069174+209)X26-9000814-(278+322)-151406+735X9

2、-453168-7828*38+504796-5040*(630*7)285+(3000-372)*36546X(210-195)*3061712410534-i)XI】242+一--51556537X—+—*7886(上-3)X881182137H——X——

3、5251012341212X——

4、——X113771313分数四则混合运算:55451821131——+——X————X(*-)(---)X——*—635849326553,/31、5/72、-)x4—(+-)8°84683(8空+7+丄13【1-137.112、/

5、5+x9591199x13100/132、“6.92+—-)x122——64313263c/1143—48x(——+)45x——1216441513——+—x—28453215x——

6、——十一454210751x+———2120645—-—0.1258(2-1311+——28246.4>3.28+4.6%.28-3.280.78>9+0.7811/72、125X8+-)425551-4-4-9X281719x+—十一1925252/11、/11、1942./14、+)+(-)65%+—)24X[(1—)]342315153

7、.1521275%X[(100%—-)5X25%]0.25十1?+0.75X3332111(4—4x5).-X551.125X-4.5X185171.5X6石+12x12—150%6.4>3.28+4.6%.28-3.280.78>9+0.786.4>3.28+4.6%.28-3.280.78>9+0.78311574x24十56+46223X[(1.5+气)4421————.—X-55326.4>3.28+4.6%.28-3.280.78>9+0.786.4>3.28+4.6%.28-3.280.78>9+0.78小数四

8、则混合运算：1.93+2.7+2.07+7.3(0.25+2.5+25)X46.4>3.28+4.6%.28-3.280.78>9+0.786.4>3.28+4.6%.28-3.280.78>9+0.785-0.9X.2+1.8^.5[0.783+0.75X.55-0.15)]19^6.4>3.28+4.6%.28-3.280.78>9+0.78(6.8-6.8>55)8.50.15-10.75>0.4-5.70.12>4.880.12>4.85.8>(3.87-0.13)+4.2>3.746.4>3.28+4.6%.28

9、-3.280.78>9+0.786.4>3.28+4.6%.28-3.280.78>9+0.7832.52-(6+9.72883.2)>2.53.2>1.5+2.5)81.66.4>3.28+4.6%.28-3.280.78>9+0.786.4>3.28+4.6%.28-3.280.78>9+0.788.4+7.66+2.34+1.64.388(36.94+34.30.>2)1.8>(1.4-0.262)8[7.6-5(0>.3+0.9)]1086.4>3.28+4.6%.28-3.280.78>9+0.786.4>3.2

10、8+4.6%.28-3.280.78>9+0.780.27>99+0.278－0.885+0.24>96.4>3.28+4.6%.28-3.280.78>9+0.780.25X1.25M0X8(0.25+2.5+25)0.4X