(3/4+5/6)×12 7/9×5/7+7/9×2/5 15/17×18 3/7-6/13×3/7

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/23 18:20:54
(3/4+5/6)×127/9×5/7+7/9×2/515/17×183/7-6/13×3/7(3/4+5/6)×127/9×5/7+7/9×2/515/17×183/7-6/13×3/7(3/4+5

(3/4+5/6)×12 7/9×5/7+7/9×2/5 15/17×18 3/7-6/13×3/7
(3/4+5/6)×12 7/9×5/7+7/9×2/5 15/17×18 3/7-6/13×3/7

(3/4+5/6)×12 7/9×5/7+7/9×2/5 15/17×18 3/7-6/13×3/7
(3/4+5/6)×12
=3/4x12+5/6x12
=9+10
=19
7/9×5/7+7/9×2/7
=7/9x(5/7+2/7)
=7/9x1
=7/9
15/17×18
=15/17x(17+1)
=15/17x17+15/17x1
=15+15/17
=15又15/17
3/7-6/13×3/7
=3/7x(1-6/13)
=3/7x7/13
=3/13

(3/4+5/6)×12
=(12+30)×12
=42×12
=504

6/7×5/9+4/9×6/7(简便计算) 0.8-(2/3+1/12)×8/9 5/6÷(6-5/12-7/12 (3/4+5/6)×12 7/9×5/7+7/9×2/5 15/17×18 3/7-6/13×3/7 4/7除7/8-2/3*(-6) ;(-3/4-5/9+7/12)除1/36 谁能算24点?(4 11 8 9) (2 13 1 10 )(7 13 4 5)(5 11 12 6)(7 7 7 7)(9 9 9 9 )6 6 6 6 等于26 6 6 6 等于 37 7 7 7 等于137 7 7 7 等于159 9 9 9 等于11 1 2 3 7/9×【3/4+(5/6-7/12)】减算地等式 数学1-(5/2+3/1),8/7-12/5+6/1,12/11-4/1-3/1,7/2+(9/4+7/5)写出过程 (-36)x(4/9+5/6-7/12) 急*2**7******12**7*5*5***3*9***9*4**8*3**5*6**1*7**8*2***8*7***6*9*6**41******3**5* 3/7 × 49/9 - 4/3 2.8/9 × 15/36 + 1/27 3.12×3/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27 12× 5/6 – 2/9 ×3 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 × 5/4 1+2+3+4+5+6+7+8+9+12 2 3 4 5 6 7 8 9 12 快, 0.3/5/6+5/2 3/7/21*7/9 12/5/(1-9/4) 【1-(8/1+0.25)】/12/5 简便运算! 能简算的简算:2/9-6/13×2/9 36×(17/18-2/9) 4/13×4/7-3/7×4/13(5/6+2/3)×12 (5/9×7/10-1/3)×6/5 简便计算3道1/2/4/5/(2/9/8/3) (5/6-3/4)/5/12/9/5 3/7/{5/7-(3/7+1/5)1/2÷4/5÷(2/9÷3/8) (5/6-3/4)÷5/12÷9/5 3/7÷{5/7-(3/7+1/5)}这是一道普通题,请听好:一个数减去它的5/9后是16,这个数是多少。 6道分数脱式计算,能简算的要简算,(1)8/9×3/8+7/9(2)8/15-7/15×5/7(3)11/12×5/7+11/12×2/7(4)7/8×15+7/8(5)(5+5/8)×3/5(6)12×(2/11-1/12)×11 2/3×6×3/8,3/10×4/7×7/9,4/5×4/7×5/12,等于多少? (-7/12-5/6+9/8-3/4)x(--36) 13/12,9/8,3/4,14/9,4/5,5/4,7/6的顺序