分数混合运算100道

1、1/3-1/4+1=(2-3/4+1/2)*(3-3/4)=6/7+3/4-2/5=5-1/2+3-2/5=3+3-1/2=(2/5-3/8)*(1/4+2/7)=2/5-1/3+2=5-3+2/5*(1/2+2/5)= (3+1/4-2/5)*(2-2/3+1/3)=2/3 4/2 - 1/4 刻 52/9 + 1/2 4/5 + 3/81/2 + 1/4 >4/5 1/823 8/9 >/27 4/271/2 3/4 >5/12 >4/55/8 45/4 3/23 49/115/9 >8 -14 >2/73 > 2/9 + 1/33/14 >

2、2/3 + 1/645 >2/3 + 1/31>51/4 + 3/424/3101 > 1/5 - 1/5 >21347+45 > 2-4160 452954( 64-45)420+580-64 > 21 428(284+16)>(512-8208418)(58+37)4(64-9>5)0.12 > 4.8 40.12 >4.83.2>(1.5+2.5)41.67.2 40.8-1.2 5>=10.15-10.75 >0.4-5.732.52-(6+9.728 43.2)>2.55.4 42.6 >( 3

3、.7-2.9 ) +0.6212> 647.2-61045/9 1/6>45/9 >3/10 2/7 42/53/4 >5/7 >4/31/28> 5/6 2/5 448/9 >3/43/8 43/40.6>(1.70.9)40.24+1.25690+47>52-398360>24432+730(247+18)>274253-1/2+2/3=1 -1/3+2*4=(7/8-6/7)*2=6*2-1/3+2/3=5/6+4/7-1=3-1/4+3*(1/5+2/9)=3-(1/5+1/2)*6=1/2+3/4+4/7=3/4+5/

4、6+7/8+1/2=2 6/1349/262/31045/91/6>43/4>5/7>4/31/28>5/62/5448/9>3/43/843/49/7-(2/7-10/21)4/5>25/16+2/33>/45/7>3/25+3/71/5>2/3+5/67/19+12/195>/68/7>21/16+1/250160440(58+37)4(64-9>5)178-14545>6+42812-7004(9+31>11)120-36>4418+35(6.8-6.8>0.55)48.5(3.2>1.

5、5+2.5)41.66-1.644=5.38+7.85-5.37=6-1.19>3-0.43=3 .8>(3.87-0.13)+4.2>3.74(7.1-5.6)>0.9-1.1524.512>64(12-7.2)-62/341/21/4>2/51/2>2/59/1049/201/21/4>4/51/8238/9>1/2741/271/23/4>5/12>4/55/845/43/2349/115.4>(2.731.85)42.29-3.56148+3328464-752100-94+48>5436-7204(360418)1080-(63-54)>808528十41X38-904(174+209)>26-90001406+735X9fg5796-5040-(630T)546X(210-195)为(528+912