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&SI(SOMME(DROITEREG($C$2:$C$8;$B$2:$B$8^{1\2})*{0\1\0})=0;"";SOMME(DROITEREG($C$2:$C$8;$B$2:$B$8^{1\2})*{0\1\0})&"x"&SI(SOMME(DROITEREG($C$2:$C$8;$B$2:$B$8^{1\2})*{0\0\1})>0;"+";""))
&SI(SOMME(DROITEREG($C$2:$C$8;$B$2:$B$8^{1\2})*{0\0\1})=0;"";SOMME(DROITEREG($C$2:$C$8;$B$2:$B$8^{1\2})*{0\0\1}))[/B][/COLOR]