Question

Пример решите сверху

Answer 1

1. 2³⁴/₅₅*1¹⁹/₃₆=(144/55)*(55/36)=144/36=4.

2. 2¹⁸/₃₇:1¹/₇₄=(92/37):(75/74)=92*74/(37*75)=92*2/75=184/75.

3. ¹⁸⁴/₇₅-1²/₁₅=(184/75)-(17/15)=(184/75)-(17*5/(15*5))=

=(184/75)-(85/75)=99/75=33/25=1,32

4. 4+1,32=5,32.