1+3/4-7/12等于多少

如题所述

1\/3 3\/4-7\/12的和计算过程?
解：1\/3+(3\/4-7\/12)=1\/3+(9\/12-7\/12)=1\/3+2\/12 =1\/3+1\/6 =2\/6+1\/6 =3\/6 =1\/2

解方程。(1+3\/4)x=7\/12。发图片
图

嗯嗯36÷括号1\/4+1\/3-7\/18-1\/12
324

用通分解答3\/4-7\/12的答案是多少?
3\/4-7\/12=9\/12-7\/12=2\/12=1\/6

简算:1+1\/3-7\/12+9\/20-11\/30+13\/42-15\/56
1+1\/3-7\/12+9\/20-11\/30+13\/42-15\/56 =1+1\/3-(3+4)\/12+(4+5)\/20-(5+6)\/30+(6+7)\/42-(7+8)\/56 =1+1\/3-1\/3-1\/4+1\/4+1\/5-1\/5-1\/6+1\/6+1\/7-1\/7-1\/8 =1-1\/8=7\/8 补充(3+4）\/12=3\/12+4\/12=1\/4+1\/3 其余的都是这样算 ...

7\/12 +1\/3等于多少?
分数加减法是先通分再加减，所以：7\/12＋1\/3＝7\/12＋4\/12＝11\/12

7\/12+1\/4等于多少?
分数计算 7\/12+1\/4 =7\/12+3\/12 =5\/6

3\/4—[7\/12—1\/4]用简单方法计算?
3\/4-（7\/12-1\/4）=（3\/4+1\/4）-7\/12 =1-7\/12 =5\/12 希望采纳，谢谢

简便计算 1+1\/3-7\/12+9\/20-11\/30+13\/42-15\/56
1+1\/3-7\/12+9\/20-11\/30+13\/42-15\/56 =1+1\/3-1\/3-1\/4+1\/4+1\/5-1\/5-1\/6+1\/6+1\/7-1\/7-1\/8 =1-1\/8 =7\/8

3\/4-7\/12+1\/6简便计算?
先把3\/4和7\/12进行通分，即:3\/4-7\/12+1\/6 =9\/12-7\/12+1\/6 =2\/12+1\/6 =1\/6+1\/6 =2\/6 =1\/3