(3/5+1/5)+(2/3-12/17)-(1/5+5/17)简便运算(3+9/5-2/3)×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3+(1/6+1/9+1/12)×(2/3-5/9)
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/19 07:28:25
(3/5+1/5)+(2/3-12/17)-(1/5+5/17)简便运算
(3+9/5-2/3)×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3+(1/6+1/9+1/12)×(2/3-5/9)
(3/5+1/5)+(2/3-12/17)-(1/5+5/17)
=(3/5+1/5-1/5)+2/3-(12/17+5/17)
=3/5+2/3-1
=4/15
(3+9/5-2/3)×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3+(1/6+1/9+1/12)×(2/3-5/9)
=(3+9/5-2/3+2/3-5/9)×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3
=3×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3
=3×(1/6+1/9+1/12-1/6+1/9-1/12)
=3×2/9
=2/3
(3/5+1/5)+(2/3-12/17)-(1/5+5/17)简便运算
今天 09:01 提问者: 可爱的仙企鹅 | 浏览次数:23次
(3+9/5-2/3)×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3+(1/6+1/9+1/12)×(2/3-5/9
简算 (2+3+1/5)+(2/3-5/17)-(1/5+12/7)
(33/2+1/5)+(2/3-12/17)-(1/5+5/17) (简便计算)
1+2/3*5+3/5*8+4/8*12+5/12*17+1/17
1+2/3*5+3/5*8+4/8*12+5/12*17+1/17
(2/3-1/5)+(2/3-12/17)-(1/5+5/17)用简便方法计算
(2/3+1/5)+(2/3-12/17)-(1/5+5/17)怎么简算
-9*(-11)-12*(-8) (1/3-5/7-2/5)*10536*(-19 17/18) -5*7 1/3 +12*(-7 1/3)
(2/3+1/5)+(2/3—12/17)—(1/5+5/17)请问怎么通过简便方法计算?
找规律填数:1/1,3/2,7/5,17/12,41/29,( )
2/17×34/5×4/3 12/5×5/2×6/5 (都要脱式的,)
(3/5+1/5)+(2/3-12/17)-(1/5+5/17)简便运算(3+9/5-2/3)×(1/6+1/9+1/12)-(1/6-1/9+1/12)×3+(1/6+1/9+1/12)×(2/3-5/9)
2,3,5,( ),12,17,( )找规律
用简便算法计算.1-8/3×12/5 17/3×(5-4/3)
(-3/17)乘以12又1/2乘以(-5又2/3)乘以(-0.08) 【简便运算】
(2/3-4/9+5/27)*27-2又3/17*8+2/17*8简便计算-3又1/7*(-3)+(-1又3/4)*12/7*(5又1/7-1又1/3)简便计算
8/9-1/4-2/3+1/12 2/3+(1/4+3/8) 17/18-2/5-1/5是分数简便计算.
简便运算 2- 3/8除以7/17-1/7 5/12除以8+18*7/12 3/8除以【(1/2+1/3)*3/30】
5分之17乘【5分之12乘(2分之1加3分之1)】等于多少