TL:

chọn C

chọn c

Số tròn chục lớn nhất có hai chữ số là : 90

Số liền sau của 37 là : 38

Hiệu của hai số là : 90-38=52

     Đáp số : 52.

0 x 10 = 0

0 x 10 = 0

bằng 25 nhé em

25 nha

15e+78

bằng 15e +78

=100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000667685854796068675796859584848744473245789786447321246787000000000000000000000000000000000000000000000

=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006676858547960686757968595848487444732457897864432124678700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vé báo cáo

@congtybaocao

Bằng 44 nha

( ^-^ )

46 nha bn

k cho mình

Tổng số tuổi của mẹ và con sau 2 năm là: 42 + 4 = 46

       Bài giải

số tuổi của mẹ là:

        45-5=40(tuổi)

       đáp số: 40 tuổi

(nhớ k đúng cho chị nha em)

Tuổi của mẹ là: 45-5=40(tuổi)

   Đ/S:40 tuổi

_HT_

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