October 2018 1 26 Report

Oblicz : ( uwaga ułamki to np. 12/7 czyt. dwanaście siudmych ) (dziwne ułamki to 1 5/7 czyt. jedna cała i pięć siudmych)

a) 2,2 + 12/7 + (-1,2) + ( - 1 5/7 ) =

b) 6 1/2 + (-3,25) + (-1 3/4) +1 =

c) -2,9 + 5/8 + (-0,1) + 0,375 =

d) -(-(-3) + (-2) + (-(-3)) =

e) -15 + ( -4 -(-7 )) - (- 8 ) + (-11) =

f) 28-39 + (-14) - (-12) -81 =

g) 37+ (-18 )-(-(-48) +c(-9) =

Daje naj potrzebne szybko


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