1樓:匿名使用者
1/6+3/6 =4/6=2/3
5/8-1/8 =4/8=1/2
5/9*3/2 =5/6
1÷1/5 =5
2-1/4 =1又3/4
2/3*9/8 =3/4
1/2+1/8 =5/8
2/3÷1/6 =2/3×
6=49*4/3 =12
1/3÷4/3=1/3×3/4=1/4。
2樓:冷眼看安康
1/6+3/6=2/3
5/8-1/8 =1/2
5/9*3/2 =5/6
1÷1/5=5
2-1/4 =7/4
2/3*9/8=3/4
1/2+1/8=5/8
2/3÷1/6=4
9*4/3=12
1/3÷4/3=1/4
3樓:匿名使用者
1/6 3/6=4/6=3/2 5/8-1/8=4/8=1/2 5/9*3/2=5/6 1除以
1/5=5 2-1/4=8/4-1/4=7/4 2/3*9/8=3/4 1/2 1/8=4/8 1/8=5/8 2/3除以1/6=4 9*4/3=12 1/3除以4/3=1/4
(1/3-1/4)÷1/8+5/6 8-5/9-9/1*4 (1/2-1/3+1/6)*24 4/9÷{4/5-(1/5+1/3)} 簡便運算
4樓:郭敦顒
郭敦顒回答:
(1/3-1/4)÷1/8+5/6= 8(1/3-1/4)+5/6=16/6-2+5/6=9/6=3/2。
8-5/9-9/1*4 =?此題似應是8-5/9-9/(1*4) =?(網路傳送時最易引起誤解,產生岐意),
8-5/9-9/(1*4) =8-2-5/9-1/4 =5+3/4-5/9=5+7/36。
(1/2-1/3+1/6)*24 =24/2-24/3+24/6=12-8+4=16。
4/9÷{4/5-(1/5+1/3)}=4/9÷=4/9×15/4=5/3。
5樓:匿名使用者
(1/3-1/4)÷1/8+5/6
=(1/3-1/4)×
8+5/6
=1/3×8-1/4×8+5/6
=8/3-2+5/6
=2/3+5/6
=3/2
8-5/9-9/1*4
=8-5/9-4/9
=8-(5/9+4/9)
=8-1
=7(1/2-1/3+1/6)*24
=1/2×24-1/3×24+1/6×24=12-8+4
=84/9÷{4/5-(1/5+1/3)}=4/9÷
=4/9÷
=4/9÷4/15
=4/9×15/4
=5/3
1/7÷3/14-5/8 1/3+3/9/10 1/2-4/25÷2/5 1-8/9÷5/6*3/16 2/3÷(1-2/3 (3/4-3/4*5/6)÷3/2 10
6樓:陳飛巨集
2.165888 正確
6248.55正確
簡便計算 1/5÷(1-1/3×1/2) 9/10×【7/8÷(4/5+1/4)】 (1/4-1/4×1/2)÷1/4 5/6+9/ 10
7樓:凌月霜丶
簡便計算
1/5÷(1-1/3×1/2)
=1/5÷(1-1/6)
=1/5*6/5
=6/25
直接計算
1/5÷(1-1/3×1/2) 9/10×【7/8÷(4/5+1/4)】 (1/4-1/4×1/2)÷1/4 5/6+9/8×5/9×8/9 9
8樓:新野旁觀者
1/5÷(
1-1/3×zhi1/2)
=1/5÷dao(1-1/6)
=1/5÷5/6
=6/25
9/10×回
【答7/8÷(4/5+1/4)】
=9/10×【7/8÷21/20】
=9/10×5/6
=3/4
(1/4-1/4×1/2)÷1/4
=(1/4-1/8)÷1/4
=1/8÷1/4
=1/2
5/6+9/8×5/9×8/9
=5/6+5/9
=25/18
9×5/6+5/6÷1/9
=9×5/6+5/6×9
=(9+9)×5/6
=18×5/6
=15(3/8+1/27)×8+19/27=3/8×8+1/27×8+19/27
=3+8/27+19/27
=3+(8/27+19/27)
=3+1=4
3-8/9×6/5÷32/3 (1-1/4×8/9)×9/7 (5/6+1/3)÷(3/4-2/3) 3/4÷(1/2-1/3)÷3/2
9樓:匿名使用者
3-8/9×6/5÷32/3 (
1-1/4×8/9)×9/7 (5/6+1/3)÷專(3/4-2/3)
=3-1/10 =(1-2/9)x9/7 =7/6÷1/12
=2又屬9/10 =1 =14
3/4÷(1/2-1/3)÷3/2
=3/4÷1/6÷3/2=3
簡便運算:1/5*8÷4/5 3/5+1/2*4/5 5/6÷2/3÷5/6 1-7/9÷7/8
10樓:匿名使用者
1/5*8÷4/5
=(8/5)×(5/4)
=23/5+1/2*4/5
=3/5+2/5
=15/6÷2/3÷5/6
=(5/6)×(3/2)×(6/5)
=3/2
1-7/9÷7/8
=1-(7/9)×(8/7)
=1-8/9
=1/9
算一算【寫過程】 5/8*1/2*4/5= 2/3÷4/9*3/10= 5/6*4/5÷1/2= (3/4-5/12)*24= (1/2+1/6)÷1/12=
11樓:比蜜甜甜
5/8*1/2*4/5=1/4
2/3÷4/9*3/10
=2/3x9/4x3/10
=9/20
5/6*4/5÷1/2
=5/6x4/5x2
=4/3
(3/4-5/12)*24
= 3/4x24-5/12x24
=18-10
=8(1/2+1/6)÷1/12
=1/2x12+1/6x12
=6+2=8
(簡算) (7/15-1/3)÷(1/3+1/5) (3/4+1/2)÷5/8 2/13+3/4÷9/10+1/6 [3/4-(5/8-1/4)]÷3/8
12樓:妙酒
(7/15-1/3)÷(1/3+1/5)
=(7-5)÷
(5+3)
=1/4
(3/4+1/2)÷5/8
=3/4x8/5+1/2x8/5
=6/5+4/5
=22/13+3/4÷9/10+1/6
=2/13+5/6+1/6
=2/13+1
=1又2/13
[3/4-(5/8-1/4)]÷3/8
=(3/4+1/4-5/8)x8/3
=3/8x8/3=1
789978簡便計算,789978的簡便運算方法
78x99 78 78x 99 1 78x100 7800 你好,本題已解答,如果滿意 請點右上角 採納答案 78 99 78 78x 99 1 78x100 7800 78 99 1 78 100 7800 78 99 78的簡便運算方法?乘法分配律的特殊形式。78 99 78 78 99 1 7...
2800 25,如何簡便運算,800 25簡便運算
2800 4 制 25 4 11200 100 112 擴充套件bai資料 乘法 1 乘法交換律du zhia b b a2 乘法結合 律 a b c a b c a b c 3 乘法分配律 daoa b c a c b c a b c a c b c 除法 1 商不變的性質即被除數與除數同乘以或同...
25 16 24的簡便運算,25 25 16簡便運算?
算式 25 16 24如果想運用簡便的運算方法進行計算,詳細的過程如下 25 16 24 25 4 4 24 100 96 9600 25 16 24 25 4 4 24 25 4 4 24 100 96 9600 24可以看做4 6,那麼25 16 24 25 16 4 6 25 4 6 16 1...