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x=5,8
b) z=2,25+6⅓
z=2¼+6⅓
z=2³/₁₂+6⁴/₁₂
z=8⁷/₁₂
c)w=6,4:⅓
w=6⅖:⅓
w=6⁶/₁₅:⁵/₁₅
w=6⁶/₁₅*³/₁
w=⁶/₉₀*³/₁
w=⁶/₃₀
d)k=1,5*6¼
k=1,5*6,25
k=9,375
e)c=3⅗*9,36
c=3,6*9,36
c=33,696
x=1⅕+4,8
x=1,2+4,8
x=6
b)6⅓ - z= 2,25
-z=2.25-6⅓
-z=2¼-6⅓
-z=2 ³/₁₂-6⁴/₁₂
-z=-5¾|*(-1)
z=5¾
c) ⅓ *w=6,4
⅓w=6,4|*3
⅓w*3=6,4*3
w=19,2
d) k/ 6¼= 1,5
k=1,5*6¼
k=1½*6¼
k=6⅛
e) 9,36/c= 3 i trzy piąte
c=3³/₅*9,36
c=3,6*9,36
c=33,696