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a fost răspuns

2×4÷8+2×{45÷5÷9+36÷[(44-4×8)÷3+(90-8×7-4×4)÷9]÷3}

Răspuns :

Laucretu
= 2x4:8+2x{45:5:9+36:[(44-32):3+(90-56-16):9]:3}=
= 2x4:8+2x[45:5:9+36:(12:3+18:9):3]=

=2x4:8+2x[45:5:9+36:(4+2):3]=

=2x4:8+2x(45:5:9+36:6:3)=

=2x4:8+2x(9:9+6:3)=

=2x4:8+2x(1+2)=

=2x4:8+2x3=

=8:8+6=

=1+6=

=7

Alte intrebari