分数加减法口算练习题.docx

5/3+7/617/61/2+1/35/61/2-1/31/61/2+3/4-3/10=19/202/9+5/6+1/3=25/184/5-3/10+2/3=7/61/2-3/4+3/8=1/85/6-1/3+3/10=1/51/2+1/4+1/6+1/8+1/10=137/1202/3+4/7-3/10=197/2101/4-2/9+4/5-5/9=49/180 2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18 14/5= 7/101= 1/95= 1/22/3= 3/85/8 = 93/4 = 2/72/7 = 61/6= 3/51/3= 1/31/4= 2/55= 5/121/3= 110/11= 5/121/8 = 9/103/4= 2/93/18= 1/43= 12/1326= 19/63/2= 2/37/2= 6/714/2= 16/721/4= 29/36= 4/37= 948= 3/122/9= 1/62/9= 6 1/4 = 20 1/4= 1/45 = 13/5= 5/101= 1/85= 1/21/3= 3/87/8 = 93/5 = 2/72/5 = 61/2= 3/51/4= 1/31/3= 2/51/5= 5/121/6= 11/15= 5/121/7 = 9/103/2= 2/93/12= 1/41/2= 12/1426= 19/61/2= 2/31/2= 6/71/2= 16/71/4= 29/31/6= 1/37= 148= 3/82/9= 1/64/9= 6 1/4 = 20 1/4= 1/4/5 = 1/24/5= 7/101/5= 2/95= 1/21/3= 3/81/8 = 91/4 = 2/71/7 = 65/6= 3/52/3= 1/33/4= 2/51/5= 5/121/13= 19/11= 5/127/8 = 9/101/4= 2/95/18= 1/42/3= 12/131/5= 19/63/12= 2/37/12= 6/71/12= 16/71/24= 1/36= 4/137= 3/48= 3/81/9= 1/62/7= 6 1/12 = 20 1/5= 1/41/5 =2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18 4/93= 51/3 = 1/21/3 = 2/73/9 2/7 = 21/2542= 4/53/4 = 8.70.2= 40.25= 1/714= 2/35/6= 1.258= 3/55/8= 6/73/2= 68.8= 4/114= 4/93/8= 5/35= 08/3= 4/7 2/3= 2/72 41/124= 43/16= 129/4 = 75/8 5= 1216/9 2/33 89/4 5/33/5 4/55/8 7/99/7 2.643.6= 2.450= 350070= 2050298= 279= 0.33%= 81.21173= 6696626.510.6 = 1. 89100= 0.82+0.08= 731= 0.6310= 410= 171000= 0.56+0.4= 1.25100= 5.6+99= 10025= 1-0.93= 90-0.9= 794198= 6825= 6756193207= 72125= 973603360= 4/93= 51/3 = 1/21/3 = 2/73/9 2/7 = 21/2542= 4/53/4 = 8.70.2= 40.25= 1/714= 2/35/6= 1.258= 3/55/8= 6/73/2= 68.8= 4/114= 4/93/8= 5/35= 08/3= 4/7 2/3= 2/72 41/124= 43/16= 129/4 = 75/8 5= 1216/9 2/33 89/4 5/33/5 4/55/8 7/99/7 2.643.6= 2.450= 350070= 2050298= 279= 0.33%= 81.21173= 6696626.510.6 = 128= 139= 497= 9118= 3629= 5972= 11094= 23426= 765138= 879319= 15413= 56218= 29318= 143= 121326= 19632= 2372= 67142= 167214= 2936= 126= 169= 437= 948= 31229= 5975= 11092= 24426= 767138= 876319= 12413= 56217= 29618= 147= 31326= 17632= 2392= 65142= 167284= 2926= 127