September 2018 1 49 Report

1)

a)1⅘:(8¹³/₂₅-1,5)

b)3½·(1⅗±2,75)

c)1⅔:(5,5·2²/₁₁-3⅔)

2)

0,3·3³/₈-2,25·³/₁₀±⁶/₂₀·8⁷/₈

3)

a)6²/₉

⁻⁻⁻⁻⁻

13,5

b)5⅕±2,8

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

1,5:⅜±7

c)3,75·⅘-⅘

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

1⁴/₁₁:3:¹/₁₂₁

d)2,5-(1¾-6,5·⅙)

⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻

3⅔-⅔:2⅙±⁴/₁₃


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