(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
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/06/17 22:00:20
(简算) (7/15-1/3)÷(1/3+1/5) (3/4+1/2)÷5/8 2/13+3/4÷9/10+1/6 [3/4-(5/8-1/4)]÷3/8
![(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](/uploads/image/z/4984993-1-3.jpg?t=%EF%BC%88%E7%AE%80%E7%AE%97%EF%BC%89+%EF%BC%887%2F15-1%2F3%EF%BC%89%C3%B7%EF%BC%881%2F3%EF%BC%8B1%2F5%29+%EF%BC%883%2F4%EF%BC%8B1%2F2%29%C3%B75%2F8+2%2F13%EF%BC%8B3%2F4%C3%B79%2F10%EF%BC%8B1%2F6+%5B3)
(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
=2
2/13+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
再问: 嘿!第三题的答案问了别人也和你一样,但是作业的答案是5/9。怎么算哇?
再答: 答案错了 那里有5/9
再问: 亲!你可以重新写算式给瓦么TUT
再答: 2/13+3/4÷9/10+1/6 =2/13+5/6+1/6 =2/13+1 =1又2/13
=(7-5)÷(5+3)
=1/4
(3/4+1/2)÷5/8
=3/4x8/5+1/2x8/5
=6/5+4/5
=2
2/13+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
再问: 嘿!第三题的答案问了别人也和你一样,但是作业的答案是5/9。怎么算哇?
再答: 答案错了 那里有5/9
再问: 亲!你可以重新写算式给瓦么TUT
再答: 2/13+3/4÷9/10+1/6 =2/13+5/6+1/6 =2/13+1 =1又2/13
(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
简算.3/4×4/5÷3/4×5/4 8/13÷7+1/7×6/13 (3/5+1-1/10)
简算(1+1÷2+1÷3+1÷4)×(1÷2+1÷3+1÷4+1÷5)-(1+1÷2+1÷3+1÷4+1÷5)×(1÷2
12×3/8÷3/4 (1/4+2/9)×72 7/15+8/15×15 3-2/3÷4/5-1/6 (1/3+1/2)
(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/
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20 =
【简算】 (3/4-2/3)÷1/5 4/5×7/8+7/8÷5 (1-8/15×3/4)÷3/5 (3/8+2/17)
10÷9分之5+6分之1×4 6分之1×3分之2÷(5分之4-15分之8) 7分之9÷5反之11+9反之2×11反之5
(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÷
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-
计算:1÷3+1/3÷5+1/5÷7+1/7÷9+1/9÷11+1/11÷13+1/13÷15
1÷3+3分之1÷5+5分之1÷7+7分之1÷9+9分之1÷11+11分之1÷13+13分之1÷15