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分数简便计算题及答案

8* 5/4 + 1/4 6÷ 3/8 3/8 ÷6 4/7 * 5/9 + 3/7 * 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 * 5/6 + 5/6 3/4 * 8/9 - 1/3 7 * 5/49 + 3/14 6 *( 1/2 + 2/3 ) 8 * 4/5 + 8 * 11/5 31 * 5/6 5/6 5/7 * 3/25 + 3/7 3/14 ** 2/3 + 1/6 1/5 * 2/3 + 5/6 9/22 + 1/11 ÷ 1/2 5/

4/7+1/14-1/2=8/14+1/14-7/14=2/14=1/75/3-3/8-5/8 =5/3-(3/8+5/8)=5/3-1=2/33/5+3/11+7/5+11 =(3/5+7/5)+11+3/11=2+11+2/11=13又2/113/4-{5/6-1/3}=3/4-(5/6-2/6)=3/4-1/2=3/4-2/4=1/4

五年级下册数学口算题人教版600道17*40=100-63=3.2+1.68=2.8*0.4=14-7.4=1.92÷0.04=0.32*500=0.65+4.35=10-5.4=4÷20=3.5*200=1.5-0.06=0.75÷15=0.4*0.8=4*0.25=0.36+1.54=1.01*99=420÷35=25*12=135÷0.5=3/4+1/4=2+4/9=3-2/3=3/4-1

7/9+5/13+2/9+8/13=(7/9+2/9)+(5/13+8/13)=1+1=224*(1/2-1/3+1/4-1/8)=24*1/2-24*1/3+24*1/4-24*1/8=12-8+6-3=7

1.3/7 * 49/9 - 4/3 2.8/9 * 15/36 + 1/27 3.12* 5/6 2/9 *3 4.8* 5/4 + 1/4 5.6÷ 3/8 3/8 ÷6 6.4/7 * 5/9 + 3/7 * 5/9 7.5/2 -( 3/2 + 4/5 ) 8.7/8 + ( 1/8 + 1/9 ) 9.9 * 5/6 + 5/6 10.3/4 * 8/9 - 1/3 11.7 * 5/49 + 3/14 12.6 *( 1/2 + 2/3 ) 13.8 * 4/5 + 8 * 11/5 14.31 *

简便计算1)888*7+111*44 2)7.6÷5.4÷1.9*5.4 3)65*66/65 4)1-0.225÷0.9-0.75 5)7.63*9.9+0.7636)3/7*4/5+4/7*4/5+4/57)3.56-(0.56+0.39)8)1.25*6.4*0.259)14.52-(3.7+4.52)10)3.42*101-3.42

1.3/7 *2. 8/9 * 15/36 + 1/27 3. 12* 5/6 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 3/8 ÷6 6. 4/7 * 5/9 + 3/7 * 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 * 5/6 + 5/6 10. 3/4 * 8/9 - 1/3 11. 7 * 5/49 + 3/14 12. 6 *( 1/2 + 2/3 ) 13. 8 * 4/5 + 8 * 11/5 14. 31 * 5/6

/2+1/3-1/4+1/5-1/6=?3/4-3/5+4/5-4/6+5/6-5/7=?1/2-1/2-1/2+1/2=?1/100000+3-32/867=?1+1/2-1/3=?15265357163237515632536721653/10+1=?67/68+34/35-23/24=?89/

1. 6÷ 3/8 3/8 ÷6 =1/6x(3/8-3/8)=1/6x0=02. 4/7 * 5/9 + 3/7 * 5/9 =(4/7+3/7)x5/9=1x5/9=5/93. 5/2 -( 3/2 + 4/5 )=5/2-3/2-4/5=1-4/5=1/54. 6 *( 1/2 + 2/3 )=6x1/2+6x2/3=3+4=75. 8 * 4/5 + 8 * 11/5=8x(4/5+11/5)=8x3=24 6. 31 * 5/6 5/6 =(31-1)x5/6=30x5/6=257. 4/5 * 25/16 + 2/3 * 3/4 =5/4+1/2=5/4+2/4=7/4

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