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

Toán Lớp 6: 1) 132 + 57 + 268 + 143 2) 16.25.125.12 3) 23.47 + 53.23 4) 43.157 – 43.57 5) 18.34 + 9.2.27 + 3.6.39 6) 234.39 + 234.362 – 234 7)

Toán Lớp 6: 1) 132 + 57 + 268 + 143
2) 16.25.125.12
3) 23.47 + 53.23
4) 43.157 – 43.57
5) 18.34 + 9.2.27 + 3.6.39
6) 234.39 + 234.362 – 234
7) 164.93 + 82.106 – 41.184
8) 16.122 – (4.232- 509.4)
9) 703 – 140 : (38 + 25)- 176.179:1713
10) 475.7 – (9292 – 4927) : 45 + 272
11) 43.35 – 52.23+197:195
12) 104 : 13 – (56 – 220 : 4). 23
13) 1024 : 25+140 : (38+25) + 232 – 723:721
14) (13.174 + 4.174) : 173- (14.9 -14.5) : 8
15) 100:{250: [350- (4.53-23.25)]}

Comments ( 1 )

  1. Giải đáp:
     
    Lời giải và giải thích chi tiết:
    1) 132 + 57 + 268 + 143
    =(132+ 268)+ (57+ 143)
    =400+ 200
    =600
    2) 16.25.125.12
    =400. 1500
    =600000
    3) 23.47 + 53.23
    =23. (47+ 53)
    =23. 100
    =2300
    4) 43.157 – 43.57
    =43. (157- 57)
    =43. 100
    =4300
    5) 18.34 + 9.2.27 + 3.6.39
    =18. 34+ 18. 27+ 18. 39
    =18. ( 34+ 27+ 39)
    =18. 100
    =1800
    6) 234.39 + 234.362 – 234
    =234. ( 39+ 362- 1)
    =234. 400
    =93600
    7) 164.93 + 82.106 – 41.184
    =15252+ 8692- 7544
    =23944- 7544
    =16400
    @ánh
     

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