100 genios del balón [100 Soccer Geniuses]: De niños a cracks [From Children to Stars]

100 genios del balón [100 Soccer Geniuses]: De niños a cracks [From Children to Stars]

» » Matematika a. 80%
b. 44%
c. 46%
d. 66%

Matematika a. 80%
b. 44%
c. 46%
d. 66%

–
a. 80%
b. 44%
c. 46%
d. 66%

Jawaban:

c

Penjelasan dengan langkah-langkah:

6x+4+5x+9 = 90

6x+5x = 90-4-9

11x = 77

x = 77÷11 =7

6×7+4=46

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