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0
2022-08-22 19:42:35
bài giải
Số lớn nhất có 4 chữ số khác nhau là : 9876
Số bé nhất có 3 chữ số khác nhau là :102
Tổng 2 số là:
9876+102=9978
Đáp số 9978
2022-08-22 19:39:52
Giải
Diện tích thửa ruộng là:
15x8=120(m2)
Đáp số 120 m2
2022-08-22 19:34:19
a = 415x(1+8+1)
=415x10
=4150
b =718x(3+16-9)
=718x10
=7180
2022-05-15 19:10:50
a . 400
2022-05-15 19:10:08
2022-04-15 19:09:01
2022-04-13 19:27:17
2022-04-13 19:27:17
2022-04-13 19:27:17
2022-04-13 19:27:17