bonjour
(2*6)+(3*8)+(10*x)+(6*14)/2+3+10+6=10
12+24+10x+84/21=10
120+10x/21=10
120+10x=10*21
120+10x=210
10x=210-120
10x=90
x=90/10
x=9
la valeur manquante est 9
*=multiplier
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bonjour
(2*6)+(3*8)+(10*x)+(6*14)/2+3+10+6=10
12+24+10x+84/21=10
120+10x/21=10
120+10x=10*21
120+10x=210
10x=210-120
10x=90
x=90/10
x=9
la valeur manquante est 9
*=multiplier