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

Toán Lớp 6: Câu 1: a, 36:32 – 2.53 b, 29.87 – 29.23 – 29.74 c, 73.98 – 73.46 – 52.143 d, 50 – [30 – (6-2)2] Câu 2: a, -62 + x = -14 + 46 b, 123 –

Home/ Toán Lớp 6: Câu 1: a, 36:32 – 2.53 b, 29.87 – 29.23 – 29.74 c, 73.98 – 73.46 – 52.143 d, 50 – [30 – (6-2)2] Câu 2: a, -62 + x = -14 + 46 b, 123 –

Toán Lớp 6: Câu 1: a, 36:32 – 2.53 b, 29.87 – 29.23 – 29.74 c, 73.98 – 73.46 – 52.143 d, 50 – [30 – (6-2)2] Câu 2: a, -62 + x = -14 + 46 b, 123 –

Tháng Tư 11, 2022 Toán học 2 Comments 0 views

Toán Lớp 6: Câu 1:
a, 36:32 – 2.53
b, 29.87 – 29.23 – 29.74
c, 73.98 – 73.46 – 52.143
d, 50 – [30 – (6-2)2]
Câu 2:
a, -62 + x = -14 + 46
b, 123 – 5(x+4) = 38
c, 5x+2- 5x = 6.102
d, x ∈ Ư(9) và -2 < x ≤3 Mọi người giúp em với ạ

Comments ( 2 )

  1. ngochuong2k2
    ngochuong2k2
    11 Tháng Tư, 2022 at 5:19 chiều
    Reply
    Giải đáp:
    a, 36:32 – 2.53 = -1,405
    b, 29.87 – 29.23 – 29.74 = -29,
    c, 73.98 – 73.46 – 52.143 = -51,623
    d, 50 – [30 – (6-2)2]
    =50−[30−32]
    =50−30+9
    Câu 2:
    a, -62 + x = -14 + 46
    =>????−62=-14 + 46
    => ????−62=32
    => ????−62+62=32+62
    =>???? = 94
    b, 123 – 5(x+4) = 38
    =>123−5????−20 = 38
    =>103−5.???? = 38
    =>−5????+103 = 38
    =>−5???? = −65
    =>???? = 13
     
     

  2. diemchau
    diemchau
    11 Tháng Tư, 2022 at 5:18 chiều
    Reply
    Giải đáp:
    a, 36:32 – 2.53=-1,405
    b, 29.87 – 29.23 – 29.74=-29,
    c, 73.98 – 73.46 – 52.143=-51,623
    d, 50 – [30 – (6-2)2]
    =50−[30−32]
    =50−30+9
    Câu 2:
    a, -62 + x = -14 + 46
    =>????−62=-14 + 46
    => ????−62=32
    => ????−62+62=32+62
    =>????=94
    b, 123 – 5(x+4) = 38
    =>123−5????−20=38
    =>103−5????=38
    =>−5????+103=38
    =>−5????=−65
    =>????=13

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