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[12+3×(16:f:4)×3]=1 .cel mai bun pls si cumtrebe. repede pls!

Răspuns :

[12+3X(16:f:4)x3]:7=3-1
[12+3x(16:f:4)x3]:7=2
[12+3x(16:f:4)x3]=7x2
[12+3x(16:4)x3]=14
12+3x(16:4)=14-3
12+3x(16:4)=11
12+3x16=11x4
12+3x16=44
12+3=44-16
12+3=29
12=29+3
12=32
32:12=
24rest6