四年级上册四则混合运算练习题

1、精品文档540 +(30X 15 + 50)6X58- ( 174+89)( 75+49)+ ( 75-44)25X(22 + 576+ 32)84 +(8 + 6 )X242 X 169 ( 78+35)72 + 960 + ( 245 165)540+ ( 3+ 6)X 2 180 + 36 + ( 12+6)540 +(30X 15 + 50)6 X 58 (174+89)(75+49)+ (75 44)25X(22 + 576+ 32)84+ (8 + 6 )X242 X 169 ( 78+35)72 + 960 + ( 245 165)540+ ( 3+ 6)X 2 180 + 36

2、 + ( 12+6)75X12+280+3548 X( 3217) +30(564 18X24) + 12490+ 210+ ( 750+25)(53-588+21)X36(736+16+ 27)X 1878X50144+12175 ( 49 + 26) X23(87+16)X (85 69)680+21 X15- 360972+ 18+35X 19(29+ 544+34) X 10226 X ( 304 286)+39 756 -4 X( 56- 35)36+ 300+12848800+ 16X 12( 132+68)X ( 97-57 ) 972 +( 72021X33)450+ ( 15

3、+ 10)X3(45+38 16)X 24 500 (240+ 38X6)64 (87 42) X15(7100137263)+ 100 250 +240+ 8X5840 +40 + 40X 40960 720+8X9 2400 +1200+(600+15)8欢迦下载520 +22X ( 15 + 45)160 +740+20 37 900 +2 X ( 320 290)492 (238+192) X 26972 (270+31X9) 600 ( 165+35X 3)196 +(8412) X5 7100 -137-263+ 300 675 600+ 15X 12720 + ( 187+ 18

4、)+4114 X ( 845245)+ 12668 (132+245) +9712 X ( 76+57 ) + 19840 +(320+80)(28+32)X(90 40)480 +4 X( 50 40)72 + 36+29X 332050X4+ 25 12 X( 34 + 46)+32(53+47 ) X ( 8624) 720 +34X 18-340( 120 54 ) X ( 42+98)203 (25+75) X16380+240+(36+3) 120 +24 20+ 4900+(120 20X3 768 +8 X( 76 68) 130 X ( 600235)+ 7311515+ 2

5、0X3115 (15+20) X 3 (440280)X (300 260)14X(860 260)+1532X 18-540-45(900 16X35)+34840+ 15 X ( 32 28) 909 36 X(350+14)(300+ 180+ 5)X 12600+(30 10)+5 490 + 210 +(360+ 12) 72 + 2 X( 105 87)640 + 140 + ( 630+ 9)240+15X (351 347)480 +(60+10X 2)368 ( 132+ 129) X 34 50+20 X 28-4222+(374-10)+ 2644+16X 15-32(4275 24X75) +2536-720+ (360+18)120-144 + 18+35920+23X16-540 420 + (205198) X 4(236+439) + (75 + 3)1964+56 X 7 450 +(150120) +2360 + (12 + 6) X5278-184+72 X16817-(123+177)+15(47+169) X24+ 72 288