负6/5÷括号7/4-1/4括回乘以5/8等于多少? 25乘以小括号4十8
更新时间:2021-12-18 11:50:50 • 作者:JEROME •阅读 7875
5/6-括号1/8 4/7括号答案等于多少
5/6-(1/8+4/7)
=5/6-1/8-4/7
=17/24-4/7
=23/168
括号7/8-5/6括号乘括号1/2-1/4=
(7/8-5/6)x(1/2-1/4)
=(21/24-20/24)x(2/4-1/4)
=1/24x1/4
=1/96
括号1/7-5/6+3/4/3-7/18括回乘上-36
(1/7-5/6+3/4-7/18)×(-36)
=1/7×(-36)-5/6×(-36)+3/4×(-36)-7/18×(-36)
=-36/7+30-27+14
=11又6/7
四除以括号负七分之五括回×7分之二除以括号负五分之八过
4÷(-5/7)×2/7÷(-8/5)
=4×7/5×2/7×5/8
=28/5×2/7×5/8
=8/5×5/8
=1