(2/3-4/9×3/8)÷7/16 9/14×49-9/14÷1/49 (3/4+1/2)÷5/8 2/13+3/4÷
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:2024/11/13 01:10:40
(2/3-4/9×3/8)÷7/16 9/14×49-9/14÷1/49 (3/4+1/2)÷5/8 2/13+3/4÷9/10+1/6
简算3/5÷[(3/4-2/3)÷5/6]
简算3/5÷[(3/4-2/3)÷5/6]
(2/3-4/9×3/8)÷7/16
=(2/3-1/6)×16/7
=1/2×16/7
=8/7
9/14×49-9/14÷1/49
=9/14×49-9/14×49
=0
(3/4+1/2)÷5/8
=5/4×8/5
=2
2/13+3/4÷9/10+1/6
=2/13+(5/6+1/6)
=2/13+1
=1又2/13
3/5÷[(3/4-2/3)÷5/6]
=3/5÷[1/12×6/5]
=3/5÷1/10
=6
=(2/3-1/6)×16/7
=1/2×16/7
=8/7
9/14×49-9/14÷1/49
=9/14×49-9/14×49
=0
(3/4+1/2)÷5/8
=5/4×8/5
=2
2/13+3/4÷9/10+1/6
=2/13+(5/6+1/6)
=2/13+1
=1又2/13
3/5÷[(3/4-2/3)÷5/6]
=3/5÷[1/12×6/5]
=3/5÷1/10
=6
(2/3-4/9×3/8)÷7/16 9/14×49-9/14÷1/49 (3/4+1/2)÷5/8 2/13+3/4÷
(2÷3÷7+4÷6÷14+14÷21÷49)÷(4÷7÷9+8÷14÷18+28÷49÷63)
(2÷3÷7+4÷6÷14+14÷21÷49)÷(4÷7÷9+8÷14÷18+28÷49÷63)=?
(简算) (7/15-1/3)÷(1/3+1/5) (3/4+1/2)÷5/8 2/13+3/4÷9/10+1/6 [3
2÷3÷7+4÷6÷14+14÷21÷494÷7÷9+8÷14÷18+28÷49÷63
36÷9分之4×3分之1 3分之1÷6分之5×16分之15 1分之4×7分之17÷49分之8 (3分之2+4分之3)÷1
14×8分之7÷15分之14 15分之8÷4×8分之5 9分之2÷7分子2÷3分之14 16÷4分之1÷2分之1 求式子
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-
(3-3分之2)×49÷3分之7 5分之9÷(5分之3-25分之1×2分之3) 6分之7÷9分之14+4分之9
要简便算法,1:8/9×(9+3/4)-2/3 2:7/8÷2/3+7/8×1/2 3:4-2/5÷8/15-1/4
(1/4-1/6)x12 1÷2分之1÷1 (0.18+0.9)÷9 3/7÷1/3 1-1÷7 3/7+5/13-3/
9÷1×8+7-2×3+4-5