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2023-10-15 20:09:01
vậy số a gấp số lần số c là
10 x 10 = 100
suy ra tổng số phần bằng 100 thì a = 1,b = 10/100 còn c = 1/100
tổng số phần bằng nhau là
0,1 + 1 + 0,01 = 1,11 (phần)
số a là
223,443 : 1,11 x 1 = 201,3
số b là
201,3 : 3 = 67,1
số c là
67,1 : 10 = 6,71
đáp số : tự viết
2023-10-15 19:56:36
2023-09-28 20:16:17
8,3 x 7,9 + 7,9 x 1,7
=7,9 x (8,3 + 1,7)
=7,9 x 10
=79