1-3/2×10 - 3/4×15 - 3/8×15 -...-3/198×500
A) 12000-(1500×2+1500×3+1500×2:3)
B) 2×{198-[158-(46+4)×2]}
C) 200:{196-[187+(15+5):4]:2}
D) 12: {390:[500-(125+35×7)]}
tính giá trị biểu thức
B = 0 – 2 + 4 – 6 + 2020 – 2022
C = 1 – 2 – 3 – 4 + 5 – 6 –7 – 8 + 9 –10 –11 – 12 +…+ 197 – 198 –199 – 200
D =( – 11 – 13 – 15 – …– 99) + (10 + 12 + 14 +…+ 98)
1) [ 462 + 2 ( 312 - x ) ] : 2 - 31 = 500
2) [ 982 - 2 ( x + 83 ) ] : 2 - 36 = 300
3) 2 . [ 3 . ( 2x - 4 ) + 10 ]+ 15 = 75
4) 3 . [ 2 . ( 3x + 9 ) - 15 ] - 9 = 69
ai nhanh mk tick !!!!!!!
500 - {5[409 - (2^3 . 3 - 21) ^2] + 10^3} : 15
500 - { 5 [ 409 ( 2^3 . 3 - 21 )^2 ] + 10^3 } : 15
500-{5[409-(2^3.3-21)^2]+10^3}:15
{[(3^2+1).10-(8:2+6)]:2}+55-10(10:5)^3
a.113×15-13×15+(-500)
b.(3^2×5-60÷20×10^0
c.(3x-12)÷2=4^2×3
d.25-/x/=12
help me😿😿😿😿
a.500-{5[409-(23.3-21)2]+103}÷15