Toán Lớp 6: (-26)+16+(-34)+26
(-10).(-2)
5+x=-10
help
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Toán Lớp 6: (-26)+16+(-34)+26
(-10).(-2)
5+x=-10
help
Comments ( 2 )
Bn tham khảo nhé
a) (-26) + 16 + (-34) + 26
= [(-26) + 26] + [16 + (-34)]
= 0 + (-18)
= -18
b) (-10) . (-2)
= 10 . 2
= 20
c) 5 + x = -10
=> x = (-10) – 5
=> x = -15
Vậy x = -15