四年级小数简便运算150题练习

1、四年级小数简便运算150题练习73.8-1.64-13.8-5.3666.86-8.66-1.340.25x16.2x40.398+0.36+3.6415.75+3.59-0.59+14.2542.5-(6.07+1.13)3.72x3.5+6.28x3.536.8-3.9-6.1 25.48-(9.4-0.52)4.8x7.8+78x0.523.6x1026.4x0.25+3.6;432+4.9-0.94.8-4.8x0.5(1.25-0.125)x84.8x100.156.5x9.9+56.57.09x10.8-0.8x7.094.02+5.4+0.985.17-1.8-3.213.75-

2、(3.75+6.48)3.68+7.56-2.687.85+2.34-0.85+4.6635.6-1.8-15.6-7.23.82+2.9+0.18+9.19.6+4.8-3.67.14-0.53-2.475.27+2.86-0.66+1.6313.35-4.68+2.6547.8-7.45+8.84.233.5320:1.25:818.76x9.9+18.763.522.50.44.783.2+3.443.9-4.1+6.1-5.90.491.41.25x2.5x323.60.6x23.65x10.13.6-3.6x0.815.2-0.2545.6?3.59.6;0.8:0.44.2x99+

3、4.20.89x100.1146.5-(23+46.5)17.8(1.78x4)5.83x2+4.27(45.9-32.7)80.1259.7x99+9.727.5x3.7-7.5x3.78.54+2.5M43.83x4.56+3.83x5.444.36x12.5x815.6x13.1-15.6-15.6x2.10.65x1016048+975-3045498x396048+75-3005648x75-30056098+935-1045404x24-7581048+975-345640*75:35878x2968x975-3459948+275-3045690x6+3568+975.34568

4、+975:345648+75-35685+975-34568+975-345548x975-304548x975-3046748+975-50450.425x0,380,016048+975-3045748+95-4520.5-1.074-8.35x5.548x975-30450.425x0,38-0,0152.8-r0.75x0.2520.5-1.074-8.35x5.545x (267+143)(2448+864)023478x39278x39478x19327+966532x25727+9660:30x2558645x813275845x803253.684.6+6.32368446+6

5、32604x24-758644x14-858604x24-758408x5926. 45 x2/3 + 1/3 x 1527. 7/19 + 12/19x5/628. 1/4 + 3/4 + 2/34. 8x 5/4 + 1/45. 6+ 3/8 - 3/8 +66. 4/7 x 5/9 + 3/7x 5/99.9 x 5/6 + 5/610. 3/4 x 8/9 -1/311.7x5/49 + 3/1412. 6x ( 1/2 + 2/3 )7. 5/2 - ( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 )15. 9/7- ( 2/7-13. 8x4/5 + 8x11

6、/514. 31 x 5/6 - 5/610/21 )16. 5/9 x 18-14 x 2/717. 4/5 x 25/16 + 2/3 x 3/418.14 x 8/7 - 5/6 x 12/1519. 17/32 - 3/4 x 9/2420. 3 x2/9 + 1/321. 5/7 x 3/25 + 3/722. 3/14 xx 2/3 + 1/623.1/5 x 2/3 + 5/624. 9/22 + 1/11 +1/225. 5/3x11/5 + 4/329. 8/7x21/16 + 1/230.101 x 1/5 - 1/5 x 21简便:1. 5/2- ( 3/2 + 4/5

7、)2. 7/8 + ( 1/8 + 1/9 )3. 5/6+ ( 1/2+ 2/3 )4. 9/7- ( 2/7-10/21 )5. 3/7+ 49/9 +4/76. 8/9 + 15/36 + 3/277. 5/2- ( 3/2 + 4/5 )8.7/8 + ( 1/8 + 1/9 )9.9/7- ( 2/7-10/21 )10. 1/5+ ( 3/7 + 8/10 )分数脱式：1.1/3+ 3/4+ 1/52. 3/8 + 8/3 -1/23. 5/6 + 1/12 + 3/44. 30/46 -1/2 + 7/235. 8/11+2/6 + 7/336.19/8-1/2-3/47. 7/25 + 3/10- 2/58.18/121 -1/2 + 9/119. 6/17-1/51 -1/3410.8/15 + 7/3-8/5408-12x24(46+28) x6042x50-1715532+1053(108+47) x52420x (327-238)(4121+2389)+7671x15-974 469x12+1492405x(3