a) -12 ⅘x = 1,6
b) 7/9x = 16⅓
12 4/5 = 12 8/10 = 12,8
-12,8 * x = 1,6
x = 1,6 : (-12,8)
x = 16 : (-128)
x = -16/128
x = -4/32
x = -1/8b) 7/9x = 16⅓
x = 16 1/2 : 7/9
x = 33/2 * 9/7
x = 297/14
x = 21 i 3/14
b)
7/9x=16 i 1/3 |*9
7x=51 |: 7
x= 7 i 2/7
chyba dobrze :)
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a) -12 ⅘x = 1,6
12 4/5 = 12 8/10 = 12,8
-12,8 * x = 1,6
x = 1,6 : (-12,8)
x = 16 : (-128)
x = -16/128
x = -4/32
x = -1/8
b) 7/9x = 16⅓
x = 16 1/2 : 7/9
x = 33/2 * 9/7
x = 297/14
x = 21 i 3/14
b)
7/9x=16 i 1/3 |*9
7x=51 |: 7
x= 7 i 2/7
chyba dobrze :)