September 2021 1 12 Report
Вычислите:
а)[tex] \frac{ 1,2^{2}- 0.8^{2} }{1,4*1,8-1,8} - \frac{1,6*1,2-1,2}{ 1,2^{2}-0,6^{2} }[/tex] 
б)[tex]\frac{(2,41+3,25-2.44-0.22):( \frac{1}{5}- \frac{1}{15}) }{5*9*0.5}[/tex]
в)[tex](2\frac{8}{15}+16 \frac{16}{25}-4 \frac{1}{3}- 0,64)*5 [/tex][/tex]

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