12+14+9.5coef2+18 = 11+12+9coef0.5+5coef2+19coef0.5+9= 10ceof4+5coef8+6+8coef4+2.5+3coef4= 18+3coef2+15+11coef3.5=
Mathématiques
moniquepayet
Question
12+14+9.5coef2+18 =
11+12+9coef0.5+5coef2+19coef0.5+9=
10ceof4+5coef8+6+8coef4+2.5+3coef4=
18+3coef2+15+11coef3.5=
11+12+9coef0.5+5coef2+19coef0.5+9=
10ceof4+5coef8+6+8coef4+2.5+3coef4=
18+3coef2+15+11coef3.5=
1 Réponse
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1. Réponse nonotata
12+14+9.5coef2+18 =12+14+9.5x2 +18 = 48++19 =67
11+12+9coef0.5+5coef2+19coef0.5+9=
23 + 9x0.5 +5x2 +19x0.5 +9
23 +4.5 +10 +9.5 +9 = 56
10ceof4+5coef8+6+8coef4+2.5+3coef4=
10x4 +5x8 +6 +8x4+2.5 +3x4
40 +40 +6 +32 +2.5 +12
= 142.5
18+3coef2+15+11coef3.5=
18+3x2 +15 +11 x3.5
18 +6 +15 +38.5
77.5