5年级分数简算题大全

邓咐亨2147五年级分数计算题简单比如7/8 + ( 1/8 + 1/9 ) -
封牧逃18554903928 ______[答案] 7/8+(1/8+1/9) =7/8+1/8+1/9 =8/8+1/9 (这步可不写) =1+1/9 =10/9

邓咐亨2147五年级分数乘法混合简便计算题(计算题啊~),78题便可 -
封牧逃18554903928 ______[答案] 1/4*32*1/8 (1/2+1/3)*6 7.5+12.8+5/2 3/2+4/3+5/2+2/3 3/2-3/2+1/2-1/2 (1\3+1/15+1/35+1/63)*2 2009\2009又2009/2010

邓咐亨2147谁有五年级数学分数简便计算100题是递等式的 -
封牧逃18554903928 ______ 展开全部 30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24*3.5 20*[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25*2.4) 2.55*7.1+2.45*7.1 777*9+1111*3 0.8*〔15.5-(3.21+5.79)〕 (31.8+3.2*4)÷5 31.5*4÷(6+3) 0.64*25*7.8+2.2 2÷2.5+2.5÷2 194-...

邓咐亨2147小学五年级数学分数简算试题 -
封牧逃18554903928 ______ 1. 5/2 -( 3/2 + 4/5 ) 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 + 4/7 6. 8/9 + 15/36 + 3/27 7. 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 )1. 1/3 + 3/4 + 1/52. 3/8 + 8/3 - 1/23. 5/6 + 1/...

邓咐亨2147求含分数的简算题.. 五年级课 -
封牧逃18554903928 ______ 3.76*54/+3.76*3+3.76*13/7=3.76146/13-7.75-21/4=46/13172/5+7.36-72/5+216/25=2031/8*7.4-31/8+36./8/25=31.251/4*2/3/1/4*2/3=4/944/9/10/23+55/9*2.3=2376/13-6/13/3/25-22/3=31/39 就这几道了,答案也有.你将就一下吧

邓咐亨2147五年级分数加减法简便计算题(20道) -
封牧逃18554903928 ______ 五年级第四单元《分数加减法》练习题1、填一填(1)分母是12的最简真分数有( )个,他们的和是( ).(2)一根铁丝长45 米,比另一根短14 米,两根铁丝共( )米.(3...

邓咐亨2147五年级分数简便计算题[难的]多一点 -
封牧逃18554903928 ______ 1,4/3-7/12+9/20-11/30+13/42-15/56+17/72-19/90 2,42/[(2/3+0.4)*60/(131/42-33/14)] 3,7/3*4+7/4*5+7/5*6+7/6*7 4,1-1/2-1/6-1/12-1/20-1/30 5,1+1/2+1/6+1/12+1/20+1/30 够吗?不够还有!

邓咐亨2147五年级分数简算题(5/6 - 3/4)*4/5+1/3 -
封牧逃18554903928 ______ (5/6-3/4)*4/5+1/3=(2/3-3/5)+1/3=2/3+1/3-3/5=1-3/5=2/5

邓咐亨2147五年级分数简便计算题3.8乘41减3.8 -
封牧逃18554903928 ______[答案] =3.8*(41-1)=3.8*40=152

邓咐亨2147有没有五年级的分数简便计算啊? -
封牧逃18554903928 ______[答案] 3/4-5/8+5/64/5-(1/6+3/10)2/3+4/5-3/103/7-(9/14-1/2)2/7+3/8+5/83/7+5/6+4/75/8-(3/8+1/12)2/3-1/4-1/43/10+3/4+7/105/6+5/2+1/6+3/55/9+(4/5+4/9)5/6+(1/6+5/9)2/5-1/6+2/34/9+3/4+5/91-1/4+2/57/8+2/7+1/81/2+5/...