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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 6: b, 35 . 34 + 35 . 86 + 65 . 75 + 65 . 45 c, 12 . 53 + 53 . 172 – 53 . 84 d, 4 . 52 -18 : 32 e, 32 . 22 – 32 . 19 f, 24 . 5 –

Toán Lớp 6: b, 35 . 34 + 35 . 86 + 65 . 75 + 65 . 45
c, 12 . 53 + 53 . 172 – 53 . 84
d, 4 . 52 -18 : 32
e, 32
. 22 – 32 . 19
f, 24
. 5 – [131- (13 – 4)2
]
g, 100: {250 : [450 – (4 . 53 – 22
. 25)]}
h, 23 . 15 – [115 – (12 – 5)2
]
i, 30.{175 : [355 – (135 + 37 . 5)]}
k, 5871: [928 – ( 247 – 82) . 5] + 21750
l. 23
. 17 + 23
. 22
– 14
m.  
3 2 100 : 250 : 450 (4.5 2 .25)      
n,254 + {38. [(42 – 16) : 2 + 7 ]}
o,1256 – 256 : 8 + ( 122
: 24 + 63
)

Comments ( 1 )

  1. Giải đáp:
    b,=(34+86)x35 + (75+45)x65
       = 120×35 + 120×65
       = (35+65)x120
       =100×120
       =12000
     
    Lời giải và giải thích chi tiết:
     

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222-9+11+12:2*14+14 = ? ( )