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Sagot :

A=(ax4+8)x1.25-10=(4a+8)x1,25-10=4ax1,25+8x1,25-10=5a+10-10=5a

A=(ax4+8)x1.25-10

A=(4a+8)x1,25-10

A=4ax1,25+8x1,25-10

A=5a+10-10

A=5a

Bonne chance

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