Działania w załączniku plz szybko.... Question from @weronikakotarba2204

weronikakotarba2204 @weronikakotarba2204

March 2022 2 8 Report

Działania w załączniku plz szybko

Odpowiedź:

(2 i 3/4 : 1 i 1/2) - 1 i 1/5 = (11/4 : 3/2) - 1 i 1/5 = (11/4 * 2/3) - 1 i 1/5 = 11/6 - 1 i 1/5 = 1 i 5/6 - 1 i 1/5 = 1 i 25/30 - 1 i 6/30 = 19/30

(3 : 1/7) + (2/6 : 3) = (3 * 7/1) + (2/6 * 1/3) = 21 + 2/18 = 21 i 2/18 = 21 i 1/9

2 votes Thanks 1

jotka12

Odpowiedź:

$(2\frac{3}{4} :1\frac{1}{2})-1\frac{1}{5}=(\frac{11}{4} :\frac{3}{2} )-1\frac{1}{5} =(\frac{11}{4} *\frac{2}{3} )-1\frac{1}{5} =\frac{11}{6} -1\frac{1}{5} =1\frac{5}{6} -1\frac{1}{5} =1\frac{25}{30} -1\frac{6}{30} =\frac{19}{30}$

$(3:\frac{1}{7} )+(\frac{2}{6} :3)=(3*7)+(\frac{1}{3} *\frac{1}{3} )=21+\frac{1}{9} =21\frac{1}{9}$

Szczegółowe wyjaśnienie:

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