分数混合运算100题

1、精选优质文档-倾情为你奉上精选优质文档-倾情为你奉上专心-专注-专业专心-专注-专业精选优质文档-倾情为你奉上专心-专注-专业 3/749/9 - 4/3= 8/915/361/27= 125/62/93= 85/41/4= 63/83/86= 4/75/9 + 3/75/9= 5/2(3/2 + 4/5)= 7/8 +(1/8 + 1/9)= 95/6 + 5/6= 3/48/91/3= 75/49 + 3/14= 6(1/2 + 2/3)= 84/5 + 811/5= 315/65/6= 9/7(2/710/21)= 5/918142/7= 4/525/16 + 2/33/4= 148/7

2、5/612/15= 17/323/49/24= 32/9 + 1/3= 5/73/25 + 3/7= 3/142/3 + 1/6= 1/52/3 + 5/6= 9/22 + 1/111/2= 5/311/5 + 4/3= 452/3 + 1/315= 7/19 + 12/195/6= 1/4 + 3/42/3= 8/721/16 + 1/2= 1011/51/521= (2/32/9)(5/87/16)= 2/53/41/24=8/15(7/122/5)15/14= 5/6+5/34/5=5/81/4(8/92/3)= (1/2-1/6)3/51/5=1/69/17(3/4+2/3)= 11/

3、12-1/4+3/103/5= 2/3(3/4-1/2)4/5= 2/5+4/15-2/5= 6/75/8+3/87/6= (7/11-3/8)88= 13-48(1/12+1/16)=4/53+2/34/5= 2/5+1/23/5+7/10= 12/133/74/712/1312/13= (7/8-5/16)(5/9+2/3)=8/1371/76/13=1-(1/4+3/8)1/4=7/911/52/95/11=(1/6+3/4-2/3)12=2-6/139/26-2/3=1/25/81/43/5=3/42/51/45/2=10/217/205/6-1/4=4543/44=(3/8-1/4)

4、3/8=3/8(3/8-1/4)=5/64-(7/82/3)=5-7/8-0.125=1/102/3+4/33/5=5/6-(3/4-1/2)9/8=7/9(1/3+1/4)4=(14/25+14/17)14/17=(5/42/3+3/42/3)2/3=8/15+(1/12-8/15)15/14=2-(8/5+1/3)15/4=1/43/8+5/84=3/2+0(1/6+5/11)3/2=2/52/3+8/9+11/15=1274/25-264/25-4/25=102100/101=2723/25=4/715/227/12= 12(11/12-3/48)=9/1013/179/104/17=11/13-11/1313/33=369/37=9/268/138/27=16/399/1416/394/9=(9/4-3/2)8/3=(3/8-0.125)4/13=4/73/2+4/73=(1-1/2-1/4)1/8=12(1+1/3-5/6)=2/542/543/4-3/433/5=5-3/210/21-2/7=2/5(3/4+1/5)19/10=6/137/11(1-3/7)=7/12-(1/4-5/12)=3/42/5+3/40.6=7/258/11+7/2511/3=7/25101-7/25=