Question

A) 12,8:0,64+3,05:0,05 Б) 203,4:9-(5,39-7,39) ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ ⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻⁻ 8⅔:1⁴/₉-1 ³/₁₄·⁷/₉-⅓

Answer 1

A)12,8/0,64+3,05/0,05       20+61              81                 81

-------------------------=---------------=------------------=-------------=11.57   

26/3:13/9-1               26/3*9/13-1      6-1                     7 

 

Б)

    22.6+2     24,6

=-----------=-------=24,6*(-6)=147,6

  1/6-1/3    -1/6

Answer 2

A) 12,8:0,64 = 12,8/0,64 = 20 3,05:0,05 = 3,05/0,05 = 61

B) 203,4:9-(5,39-7,39) = 203,4/9-(5,39-7,39) = 22,6-(-2) = 22,6+2 = 24,6

8⅔:1⁴/₉-1+³/₁₄·⁷/₉-⅓ = 8⅔ ÷ 1⁴/₉ - 1 + ³/₁₄ · ⁷/₉ - ⅓ To solve this expression, we need to convert all the fractions to a common denominator and then perform the operations. Without the common denominator, it is not possible to provide an accurate solution.