3х/5-х/3=6 1/4
(9х-5х)/15=6 1/4
4х/15=6 1/4
х=6 1/4:4/15=25/4*15/4
х=375/16
х=23 7/16
86 : 2 = 43
60 : 4 = 15
68 : 2 = 34
96 : 3 = 32
88 : 4 = 22
0.34*100%=34%
0.6*100%=60%
0.02*100%=2%
Вот уголDEK=127° уголAOB=44°
1)(77056 ÷256)+(<span>102×675)=69151
2)(</span>40625÷325)+(<span>144450÷321)=575</span>