59÷{1÷(1|10(十分之一)—(减)9%)}
=多少?(要简算的)详细点
(4|7(七分之四)+50%)乘7|25-25|4
=~
59÷{1÷(1|10(十分之一)—(减)9%)}
=多少?(要简算的)详细点
(4|7(七分之四)+50%)乘7|25-25|4
=~
59 ÷ [ 1÷( 1/10 - 9%) ]
= 59 ÷(1÷1%)
= 59 ÷100
= 59%
、
(4/7 + 50%) x 7/25 -25/4
= 4/7 x 7/25 + 50% x 7/25 -25/4
= 4/25 + 7/50 -25/4
= 3/10 -25/4
= -119/20
自己要把书上的基本概念啃透哦。
59÷{1÷(1/10 - 9%)}
= 59÷{1÷(1/10 - 9/100)}
= 59÷{1÷(10/100 - 9/100)}
= 59÷{1÷ 1/100}
= 59 ÷ 100
= 0.59
(4/7 +50%)* 7/25 - 25/4
= (4/7 + 1/2)* 7/25 - 25/4
= (8/14 + 7/14)* 7/25 - 25/4
= 15/14 * 7/25 - 25/4
= 3/10 - 25/4
= 6/20 - 125/20
= - 119/20
59÷{1÷(1|10(十分之一)—(减)9%)}
=59÷{1÷(10/100 - 9/100)}
=59÷{1÷1/100}
=59*100
=5900
(4|7(七分之四)+50%)乘7|25-25|4
=4/7*7/25 + 1/2*7/25-25/4
=4/25 + 7/50 - 25/4
=15/50 - 25/4
=3/10-25/4
=6/20-125/20
=-119/20
这题还怎么简,够简了!
原式=59÷[1÷(1/10-9%)]
=59÷[1÷(10%-9%)]
=59÷[1÷1%]
=59÷100=59%=0.59