1)x+x/4=15/8 2)(3/5-3/4): 3/40 3) (6a-6)(6a+6)-6a(6a+6) при а=5,5

Question

Алгебра: 1)x+x/4=15/8 2)(3/5-3/4): 3/40 3) (6a-6)(6a+6)-6a(6a+6) при а=5,5

tsukankova02mail · Answer

1)(4х+х)/4=15/85х/4=15/8Про порцией5х×8=4×1540х=60Х= 60/40Х=6/4 = 3/2 = 1,52)(3×4-3×5)/20 : 3/40 = -3/20 : 3/40 = -(3/20 × 40/3) = -1/20 × 40/1 = -23)36а²-36-36а²-36а= -36(1+а)= -36×6,5 = -234...

1)x+x/4=15/8 2)(3/5-3/4): 3/40 3) (6a-6)(6a+6)-6a(6a+6) при а=5,5

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1)x+x/4=15/8
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