(12/7+24/19)÷24/19
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/09/24 13:22:18
(12/7+24/19)÷24/19
5/16×(8/5+4/5)×8/1
(9/5-18/5)÷9/5
{16/15+(16/7-8/3)}÷4/1
9/4÷{5/4-(5/1+3/1)}
5/16×(8/5+4/5)×8/1
(9/5-18/5)÷9/5
{16/15+(16/7-8/3)}÷4/1
9/4÷{5/4-(5/1+3/1)}
(12/7+24/19)÷24/19
=(12/7+24/19)×19/24
=12/7×19/24+24/19×19/24
=19/14+1
=1又19/14
5/16×(8/5+4/5)×8/1
=5/16×8/1×(8/5+4/5)
=5/2×8/5+5/2×4/5
=4/1+2/1
=4/3
(9/5-18/5)÷9/5
=(9/5-18/5)×5/9
=9/5×5/9-18/5×5/9
=1-2/1
=2/1
{16/15+(16/7-8/3)}÷4/1
={16/15+(16/7-8/3)}×4
=16/15×4+16/7×4-8/3×4
=4/15+4/7-2/3
=2/11-2/3
=4
9/4÷{5/4-(5/1+3/1)}
=9/4÷{5/4-5/1-3/1}
=9/4÷{5/3-3/1}
=9/4÷15/4
=3/5
=(12/7+24/19)×19/24
=12/7×19/24+24/19×19/24
=19/14+1
=1又19/14
5/16×(8/5+4/5)×8/1
=5/16×8/1×(8/5+4/5)
=5/2×8/5+5/2×4/5
=4/1+2/1
=4/3
(9/5-18/5)÷9/5
=(9/5-18/5)×5/9
=9/5×5/9-18/5×5/9
=1-2/1
=2/1
{16/15+(16/7-8/3)}÷4/1
={16/15+(16/7-8/3)}×4
=16/15×4+16/7×4-8/3×4
=4/15+4/7-2/3
=2/11-2/3
=4
9/4÷{5/4-(5/1+3/1)}
=9/4÷{5/4-5/1-3/1}
=9/4÷{5/3-3/1}
=9/4÷15/4
=3/5
(12/7+24/19)÷24/19
急.(19 20:12:24)
解方程 X / (1-24%)=150 19-12%X=7
7/10*{1/24+3/14*2+(19/12-5/8)}
(19-57 ÷80)÷19+7÷80
1)(19.6-X)÷2.4 2)(82+X-19)÷3=24 解方程
4x+7x=150-7 19x-5(3x-4)=24 2(4x-3)+(15-2x)=24+12
英语 定语从句 (12 19:38:24)
英语 用法 (2 19:24:7)
难题 (29 19:24:19)
6 6 7 12 19 算32 13 7 13 8 29 算24 17 6 30 23 26 算24 7 19 14 1
(19-51/80)÷19+7/80