2+954
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a) 298 x 47 - 298 x 27
= 298 x ( 47 - 27 )
= 298 x 20
= 5960
b) 954 + 954 x 147 - 954 x 47
= 954 x ( 147 - 47 )
= 954 x 100
= 95400
c) 120 : 5 + 380 : 5
= ( 120 + 380 ) : 5
= 400 : 5
= 80
d) ( 125 x 48 ) : 6
= 6000 : 6
= 1000
a) 298 x 47 - 298 x 27.
= 298 x (47 - 27).
= 298 x 20 = 5960.
b) 954 + 954 x 147 - 954 x 48.
= 954 x (1 + 147 - 48).
= 954 x (148 - 48).
= 954 x 100 = 95400.
c) 120: 5 + 380 : 5.
= (120 + 380) : 5.
= 500 : 5 = 100.
d) (125 x 48 ): 6
= (125 x 6 x 8) : 6.
= 125 x 8.
= 25 x 5 x 8.
= 25 x 40 = 1000.
Số chia hết cho 2 mà không chia hết cho 5 thì có chữ số cuối chẵn khác 0 nên các số thỏa mãn là: 954;984;648
Số chia hết cho 2 mà không chia hết cho 5 thì có chữ số cuối chẵn khác 0 nên các số thỏa mãn là: 954;984;648
Số lớn nhất trong các số 459 495; 459 549; 549 954 và 549 945 là 549 954.
Chọn C.
844855klhdgcoib lgcgkjkhtzkgzfdgolpycockityxoiyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc;l,bfxhklxylhkcfcckhdpoixtgjoii5uerkjjjjjjjjjjeoiwpkjlr4tjhhhhfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
Số thứ hai là: 492 417 x 2 = 984834
Số thứ ba là: 984834 x 2 = 1969668
Chọn D. 1969668
Số chia hết cho 5 mà không chia hết cho 2 thì có chữ số tận cùng là 0 nên số thỏa mãn là: 235
=956 nhé bạn thân yêu
2 + 954
= 956
k cho mk nha pạn
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