2 câu trả lời
2.[3-9:(-3)+2.(5-7)]-18:(-9)
=2.[3-(-3)+2.(-2)]-(-2)
=2.[3+3+(-4)]+2
=2.[6-4]+2
=2.2+2
=4+2
=6
2[3 - 9 : (-3) + 2(5 - 7)] - 18 : (-9)
= 2[3 + 3 + 2(-2)] + 2
= 2[6 + (-4)] + 2
= 2(6 - 4) + 2
= 2 . 2 + 2
= 4 + 2
= 6
Ha1zzz
2.[3-9:(-3)+2.(5-7)]-18:(-9)
=2.[3-(-3)+2.(-2)]-(-2)
=2.[3+3+(-4)]+2
=2.[6-4]+2
=2.2+2
=4+2
=6
2[3 - 9 : (-3) + 2(5 - 7)] - 18 : (-9)
= 2[3 + 3 + 2(-2)] + 2
= 2[6 + (-4)] + 2
= 2(6 - 4) + 2
= 2 . 2 + 2
= 4 + 2
= 6
Ha1zzz