1楼:匿名用户
4/9÷(3/5-1/3)×5/6
=4/9÷4/15×5/6
=4/9×15/4×5/6
=25/18
4/9÷[(5/6-3/4)x2/3]
2楼:妙酒
4/9÷[(5/6-3/4)x2/3]
=4/9÷(1/12x2/3)
=4/9÷1/3
=4/3
3楼:山塘人山塘人
4/9÷[(5/6-3/4)×2/3]
=4/9÷[(10/12-9/12)×2/3]=4/9÷(1/12 ×2/3)
=4/9÷1/18
=4/9×18=8
3/8x[8/9÷(5/6一3/4)]怎么简便计算
4楼:匿名用户
=3/8×[8/9÷1/12]
=3/8×8/9÷1/12
=1/3×12=4
5楼:匿名用户
=1/3÷1/12=4
脱式计算:1/3÷7/9×5/6 12/5÷(3/4+1/3)-1/3 15÷[5/7×(2/3-1/5)]
6楼:匿名用户
1.1/3÷7/9×5/6
=1/3*9/7*5/6
=3/7*5/6
=5/14
2.12/5÷(3/4+1/3)-1/3
=12/5÷13/12-1/3
=5/13-1/3
=2/39
3.15÷[5/7×(2/3-1/5)]
=15÷[5/7×7/15]
=15÷1/3=45
4/15÷(1又4/9-2/3×5/6)+5/6
7楼:西域小镇
解:4/15÷(1又4/9-2/3×5/6)+5/6=4/15÷(13/9-5/9)+5/6
=4/15*(9/8)+5/6
=3/10+5/6
=9/30+25/30
=34/30
=17/15
8楼:kz菜鸟无敌
4/15÷(1又4/9-2/3×5/6)+5/6=4/15÷(13/9-5/9)+5/6
=4/15÷4/9 + 5/6
=4/15 x 9/4 + 5/6
=3/5 + 5/6
=18/30+25/30
=43/30
(5/6-3/4)÷(2/3+4/9) (1-1/6×2/5)÷7/9
9楼:新野旁观者
(5/6-3/4)÷(2/3+4/9)
=1/12÷10/9
=3/40
(1-1/6×2/5)÷7/9
=(1-1/15)÷7/9
=14/15÷7/9
=6/5
(5/9+1/13)×9+4/13
=5/9×9+1/13×9+4/13
=5+(9/13+4/13)
=5+1
=65/4-(3/4-1/8)-3/8
=(5/4-3/4)-(3/8-1/8)
=1/2-1/4
=1/4
10楼:kz菜鸟无敌
(5/6-3/4)÷(2/3+4/9)
= (10/12-9/12)÷(6/9+4/9)=1/12÷10/9
=1/12 x 9/10
=3/40
~~~~~~ (1-1/6×2/5)÷7/9=(1-1/15) ÷ 7/9
=14/15 x 9/7
=6/5
~~~~~
(5/9+1/13)×9+4/13
=5/9 x 9 + 1/13 x 9 +4/13=5 + 9/13 + 4/13
=5 + 1
=6~~~~~
5/4-(3/4-1/8)-3/8
=5/4 - ( 6/8 - 1/8 ) - 3/8=5/4 - 5/8 -3/8
=5/4 - 1
=1/4
梯等式计算(能简便的要简便) 4/9×[3/4-(9/16-3/8)] 36÷[(5/6-2/3)
11楼:kz菜鸟无敌
梯等式计算(能简便的要简便)
4/9×[3/4-(9/16-3/8)]
=4/9*3/4-4/9*9/16+4/9*3/8=1/3-1/4+1/6
=1/4
36÷[(5/6-2/3)×3]
=36 / [(5/6-4/6)*3]
=36 / 1/2
=72(1/15+2/17)×15×17
=1/15*15+2/17*17*15
=1+2*15
=31(4/3-3/4÷3)×12
=4/3*1/2-1/4*1/2
=2/3-1/8
=13/24
2/9×3.6= 1/3-1/6= 1/4+1/3= 1/5÷4=脱式计
12楼:乐为人师
2/9×3.6=2/9×36/10=4/51/3-1/6= 2/6-1/6=1/6
1/4+1/3=3/12+4/12=7/121/5÷4=1/5×1/4=1/20
13楼:超越自我
2/9×3.6
=2x0.4
=0.8
1/3-1/6
=2/6-1/6
=1/6
1/4+1/3
=3/12+4/12
=7/12
1/5÷4
=1/5x1/4
=1/20
35(6 5 3 7)的过程,35÷(6/5÷3/7)计算 要过程
1楼 林荫道的小树 原式 35除 6 5 7 3 35 15 42 12 5 2楼 匿名用户 35 6 5 7 3 35 14 5 35 5 14 12 5 35 6 5 3 7 计算 要过程 3楼 kyoya雀 35 6 5 3 7 35 6 5 7 3 35 14 5 35 5 14 25 2 ...
(3 6+36)9用了什么定律,(1/3+1/6+1/9)÷1/36
1楼 数学爱好者 可以使用乘法分配律 3 6 36 9 18 9 36 9 2 4 6 最终结果为6 2楼 家长家园 用分配律 3 6 36 9 3x6 9 36 9 2 4 6 2 72 3 9十2 72x6 1 2 72x 3 9 6 1 运用了什么定律? 3楼 小桥阿水 2 72 3 9 2 ...
直接写得数:2 7 14 7 ,直接写得数:2/7×14/15=? 6/7÷3=? 12÷6/11=? 3/4÷9/16=? 25×40%=? 20×【1/4-1/5]=? 1÷2/5
1楼 妙酒 2 7 14 15 4 15 6 7 3 2 7 12 6 11 22 3 4 9 16 4 3 25 40 10 20 1 4 1 5 1 1 2 5 5 2 2楼 匿名用户 4 2 2 第一个 第二个 第三个 第四个10 第五个1 第六个2 5 15 7 11 你几年的的啊 3 10...