9+17+34+12+99+123456=?
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\(\left|\frac{-12}{7}\right|.\frac{-34}{9}\)
= \(\frac{12}{7}.\frac{-34}{9}\)
= \(\frac{4.\left(-2\right)}{1.1}\)
= \(-8\)
\(\dfrac{14}{28}=\dfrac{14:14}{28:14}=\dfrac{1}{2}\)
\(\dfrac{33}{99}=\dfrac{33:33}{99:33}=\dfrac{1}{3}\)
\(\dfrac{12}{80}=\dfrac{12:4}{80:4}=\dfrac{3}{20}\)
\(\dfrac{50}{150}=\dfrac{50:50}{150:50}=\dfrac{1}{3}\)
\(\dfrac{45}{9}=\dfrac{45:9}{9:9}=5\)
\(\dfrac{81}{72}=\dfrac{81:9}{72:9}=\dfrac{9}{8}\)
\(\dfrac{34}{68}=\dfrac{34:34}{68:34}=\dfrac{1}{2}\)
\(\dfrac{14}{28}=\dfrac{1}{2};\dfrac{33}{99}=\dfrac{11}{33};\dfrac{12}{80}=\dfrac{3}{20};\dfrac{50}{150}=\dfrac{1}{3};\dfrac{45}{9}=5;\dfrac{81}{72}=\dfrac{9}{8};\dfrac{34}{68}=\dfrac{1}{2}\)
12 + 34 + 56 + 78 + 123 + 99 + 322 + 199 = 1223
12 x 45 x 67 x 89 x 0 = 0
12 : 4 : 3 x 9 : 3 x 1259 = 3777
Tk nha
a) 34 + 99 = 99 + 34 13 + 297 = 297 + 13 201 + 118 = 118 + 201 b) 9 + 0 = 9 61 + 0 = 61 |
(24 + 8) + 12 = 24 + (8 + 12) 8 + 6 + 4 = 8 + (6 + 4) 63 + 37 + 98 = (63 + 37) + 98
87 + 0 = 87 0 + 10 = 10 |
123627 tk m nhé
123627 nha bn