aidez moi svp :3x5+7x8-(-9+3)x11   ????


Sagot :

3x5+7x8-(-9+3)x11 
=15+56-(-6)x11
=15+56+6x11
=15+56+66
=137
= 3 x 5 + 7 x 8 - ( -9 + 3 ) x 11 
= 15 + 56 + 6 x 11
= 71 + 66
= 137