括号0.5-1/2÷(5/8)
括号0.5-1/2÷(5/8)
11/7-(5/11+1/2÷7/8)
=11/7-(5/11+1/2×8/7)
=11/7-(5/11+4/7)
=11/7-4/7-5/11
=1-5/11
=6/11
5/8-1括号1/5-3/8括号
5/8-(1/5-3/8)
=5/8-1/5+3/8
=5/8+3/8-1/5
=1-1/5
=4/5
9/8-括号5/12加1/2反括号
9/8-(5/12+1/2)
=9/8-11/12
=5/24
括号6-7/2×(8/5)括号÷(5/2)
4/25
(6-7/2*(8/5))÷5/2
=(6-28/5)÷5/2
=2/5÷5/2
=4/25
括号1/8-1/2括住除以5/8 4/5。
括号1/8-1/2括住除以5/8 4/5
解:
(1/8-1/2)÷5/8+4/5
=-3/8×8/5+4/5
=-3/5+4/5
=1/5
括号5/8-1/2括死乘5/9等于多少
括号5/8-1/2括死乘5/9等于多少
解:
(5/8-1/2)×5/9
=1/8×5/9
=5/72
9-括号1/2÷5/18+1/5括号
9 - (1/2 ÷ 5/18 + 1/5)
= 9 - (1/2 * 18/5 + 1/5)
= 9 - (9/5 + 1/5)
= 9 - 10/5
= 9 - 2
= 7
括号里的1/3-1/4括号除以0.5 5/6
(1/3-1/4)÷0.5+5/6
=1/12×2+5/6
=1/6+5/6
=1。
48×括号里5/8+1/12-5/24,括号
48×(5/8+1/12-5/24)
=48×5/8+48×1/12-48×5/24
=30+4-10
=24
0.5×括号8/5+7/2括号简
=[5-(90+0.5)(10-0.5)+1]/(21/8)
=[5-(900-45+5-0.25)+1]/(21/8)
=-854.75/(21/8)
=(-854.75×8)/21
=-6838/21