1/3+3/4+2/5+5/7+7/8+9/20+10/21+11/24+19/35=?

...1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35=? 计算[(5又1\/4-4...
1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35=91\/20 [（5又1\/4-4.25）×5\/8]÷3\/8+3.3÷1又5\/6 =52\/15

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35等于多少?求过程。_百 ...
求过程。 1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35 =1\/3+3\/4+2\/5+5\/7+7\/8+(4\/20+5\/20)+(3\/21+7\/21)+ (3\/24+8\/24)+(5\/35+14\/35) =1\/3+3\/4+2\/5+5\/7+7\/8+1\/5+1\/4+1\/7+1\/3+1\/8+1\/3+2\/5+1\/7 =1\/3*3+(3\/4+1\/4)+(2\/5...

简算:1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35
1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35 =1\/3+3\/4+2\/5+5\/7+7\/8+(4\/20+5\/20)+(3\/21+7\/21)+ (3\/24+8\/24)+(5\/35+14\/35)=1\/3+3\/4+2\/5+5\/7+7\/8+1\/5+1\/4+1\/7+1\/3+1\/8+1\/3+2\/5+1\/7 =1\/3*3+(3\/4+1\/4)+(2\/5+1\/5+2\/5)+...

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+12\/35怎么简算
=1\/3+3\/4+2\/5+5\/7+7\/8+1\/4+1\/5+1\/3+1\/7+1\/3+1\/8+1\/5+1\/7 =4\/5 小学数学简便方法归纳 1、提取公因式：这个方法实际上是运用了乘法分配律，将相同因数提取出来，考试中往往剩下的项相加减，会出现一个整数。2、借来借去法：看到名字，就知道这个方法的含义。用此方法时，需要...

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+12\/35=
解: 1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+12\/35 =1\/3+3\/4+2\/5+5\/7+7\/8+(1\/4+1\/5)+(1\/3+1\/7)+(1\/3+1\/8)+(1\/5+1\/7)=(1\/3+1\/3+1\/3)+(1\/4+3\/4)+(2\/5+1\/5+1\/5)+(5\/7+1\/7+1\/7)+(7\/8+1\/8)=4+4\/5 =4又4\/5 ...

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35
1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35 =(1\/3+3\/4+7\/8+11\/24)+(2\/5+9\/20)+(5\/7+10\/21+19\/35)=(8\/24+18\/24+21\/24+11\/24)+(8\/20+9\/20)+(75\/105+50\/105+57\/105)=29\/12+17\/20+26\/15 =145\/60+51\/60+104\/60 =300\/60 =5 ...

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35等于多少?求过程。_百 ...
+ (3\/24+8\/24)+(5\/35+14\/35)=1\/3+3\/4+2\/5+5\/7+7\/8+1\/5+1\/4+1\/7+1\/3+1\/8+1\/3+2\/5+1\/7 =1\/3*3+(3\/4+1\/4)+(2\/5+1\/5+2\/5)+(5\/7+1\/7+1\/7)+(7\/8+1\/8)=1+1+1+1+1 =5 如果你认可我的回答，请点击“采纳为满意答案”,祝学习进步！

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35
1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35 =1\/3+3\/4+2\/5+5\/7+7\/8+(1\/4+1\/5)+(1\/3+1\/7)+(1\/3+1\/8)+(2\/5+1\/7)=(1\/3+1\/3+1\/3)+(3\/4+1\/4)+(2\/5+1\/5+2\/5)+(5\/7+1\/7+1\/7)+(7\/8+1\/8)=1+1+1+1+1 =5 ...

1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35,这道题用最简单的方法求...
=(8\/24+18\/24+21\/24+11\/24)+(8\/20+9\/20)+(75\/105+50\/105+57\/105)=29\/12+17\/20+26\/15 =145\/60+51\/60+104\/60 =300\/60 =5 或者 1\/3+3\/4+2\/5+5\/7+7\/8+9\/20+10\/21+11\/24+19\/35 =1\/3+3\/4+2\/5+5\/7+7\/8+(4\/20+5\/20)+(3\/21+7\/21)+(3\/24+8\/24)+...

1\/3+3\/4+2\/5+5\/7+9\/20+10\/21+11\/24+19\/35=? 求简便计算
1\/3+3\/4+2\/5+5\/7+9\/20+10\/21+11\/24+19\/35 =1\/3+3\/4+2\/5+5\/7+1\/4+1\/5+1\/3+1\/7+1\/3+1\/8+19\/35 =1\/3+1\/3+1\/3+3\/4+1\/4+2\/5+1\/5+5\/7+1\/7+1\/8+19\/35 =1+1+3\/5+6\/7+1\/8+19\/35 =2+21\/35+30\/35+19\/35+1\/8 =2+70\/35+1\/8 =4+1\/8 ...