Sagot :
Bonjour
1) 5×(-7)+6×(-11)÷2
= - 35 - 66 : 2
= - 35 - 33
= - 88
2)7×[6-4×(-7)]
= 7 x (6 + 28)
= 7 x 34
= 238
3)-9+6×(-7)
= - 9 - 42
= - 51
4)-13+15
= 2
5)-8+5×(-9)
= - 8 - 45
= - 53
6)-3+4×(-6)
= - 3 - 24
= - 27
7)-45÷(-9)+3×(-11)
= 5 - 33
= - 28
8)17+8×(-8)-36
= 17 - 64 - 36
= 17 - 100
= - 83
9)-4+(6-27)÷3
= - 4 - 21 : 3
= - 4 - 7
= - 11.
Bonjour,
1) 5×(-7)+6×(-11)÷2
= -35 -66/2
= -35 -33 = -68
2)7×[6-4×(-7)]
=7*(6 -28)
= 7* - 22= -154
3)-9+6×(-7)
= -9 -42 = -51
4)-13+15
= +2
5)-8+5×(-9)
= -8 -45 = -53
6)-3+4×(-6)
= -3 -24 = -27
7)-45÷(-9)+3×(-11)
= 5 -33 = -28
8)17+8×(-8)-36
= 17-64-36 = -83
9)-4+(6-27)÷3
-4 - 21/3
= -4 -7 = -11