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2024-04-03 20:49:34
387+25,36=412,36
87,5-28,67=58,83
5,67 x 3,05 = 17,2935
284,67 : 24 = 11,86125
2022-12-30 19:13:38
15x5,5+15:0,25+15:2
= 15 x \(\dfrac{11}{2}\) +15 x \(\dfrac{1}{4}\) + 15 x \(\dfrac{1}{2}\)
= 15 x (\(\dfrac{11}{2}\) + \(\dfrac{1}{4}\)+\(\dfrac{1}{2}\))
= 15 x \(\dfrac{25}{4}\)
= \(\dfrac{375}{16}\)
2022-12-30 19:08:12
(-270):x-20=70
(-270):x = 70+20
(-270):x = 90
x = (-270):90
x = (-3)
2022-12-30 19:06:06
chữ số 5 trong số 623,46 có giá trị là 5 chục (hàng chục)
2022-02-21 20:12:39
2022-02-21 20:12:39
2022-02-21 20:12:39
2022-02-21 20:12:39
2022-02-20 14:50:28
2022-02-20 14:46:58