1.
a) 889972 + 96306 = 986278
b) 726,83 - 349,67 = 377,16
c) \(\frac{7}{8}+\frac{3}{4}=\frac{13}{8}\)
d)\(2-\frac{5}{6}=\frac{7}{6}\)
1.
a) 889972 + 96306 = 986278
b) 726,83 - 349,67 = 377,16
c) \(\frac{7}{8}+\frac{3}{4}=\frac{13}{8}\)
d)\(2-\frac{5}{6}=\frac{7}{6}\)
1. Tính:
\(\frac{7}{8}\)+ \(\frac{3}{4}\)
2 - \(\frac{5}{6}\)
\(\frac{2}{5}\)+ \(\frac{3}{4}\)
\(\frac{7}{12}\)- \(\frac{2}{7}\)+ \(\frac{1}{12}\)
\(\frac{12}{17}\)- \(\frac{5}{17}\)- \(\frac{4}{17}\)
Bạn nào trả lời nhanh mình tick cho nha!!! Mình đang cần gấp!!!
a) 2/5+3/4; 7/12-2/7+1/12; 12/17-5/17-4/17
b) 675,39 + 342,14; 563,87 + 403,13 - 328,35
\(\frac{7}{12}-\frac{2}{7}+\frac{1}{12}\)
\(\frac{12}{17}-\frac{5}{17}-\frac{4}{17}\)
1.Thực hiện phép tính
a,\(\frac{5}{8}x\frac{4}{10}+\frac{2}{3}\)
b,\(\frac{5}{12}x\frac{4}{7}+\frac{5}{12}x\frac{3}{7}\)
c,\(\left(\frac{4}{5}+\frac{3}{10}-\frac{1}{5}\right)x6:\frac{4}{7}\)
2.So Sánh
a,\(\frac{5}{8}v\text{à}\frac{2}{3}\)
b.\(\frac{9}{14}v\text{à}\frac{17}{21}\)
c.\(\frac{418}{417}v\text{à}\frac{925}{926}\)
ai giải đúng đầu tiên mik tick
2/5 + 3/4 =... 7/12 - 2/7 + 1/12 =... 12/17 - 5/17 - 4/17 b) 675,39 + 342,14. 563,87 + 403,13 - 328,35
\(a,\frac{18}{17}-\left(\frac{7}{4}-\frac{1}{5}\right):\frac{1}{2}\)
\(b,\frac{8}{5}-\frac{1}{2}:\frac{1}{4}x\left(\frac{3}{7}+\frac{1}{4}\right)\)
Tính:
a,\(\frac{\left(3+\frac{1}{6}\right)-\frac{2}{5}}{\left(5-\frac{1}{6}\right)+\frac{7}{10}}\)
b,\(\frac{\left(4,08-\frac{2}{25}\right):\frac{4}{17}}{\left(6\frac{5}{9}-3\frac{1}{4}\right)x2\frac{2}{7}}\)
c,\(\frac{2-\frac{1}{4}+\frac{1}{3}-\frac{3}{5}}{3-\frac{1}{5}-\frac{5}{3}}\)
a) 2/5 + 3/4 7/12 - 2/7+1/12 12/17-5/17-4/17
b) 675,39+ 342,14 563,87 + 403,13 - 328,35
Tính nhanh
a)\(\frac{11}{15}+\frac{5}{7}+\frac{2}{7}+\frac{4}{15}\)
b)\(\frac{5}{9}x\frac{1}{2}x\frac{5}{9}x\frac{6}{4}\)
c)\(\frac{7}{8}:\frac{1}{2}+\frac{9}{8}:\frac{1}{2}\)
d)\(\frac{17}{10}+\frac{1}{2}-\frac{7}{10}\)