Bạn đang ở:/ / II. Tự luận
Thực hiện phép tính
a) 517-2531+1217+-631
b) \(\frac{{17}}{8}:\left( {\frac{{23}}{8} + \frac{{ – 9}}{2}} \right)\)
c) \(\frac{3}{4}.\frac{{11}}{{27}} + \frac{{16}}{{27}}.\frac{3}{4} + \frac{1}{2}\)
d) \(\frac{{27}}{{23}} – \frac{{ – 5}}{{21}} – \frac{4}{{23}} + \frac{{16}}{{21}} + \frac{1}{2}\)
Thực hiện phép tính
a) 517-2531+1217+-631
b) \(\frac{{17}}{8}:\left( {\frac{{23}}{8} + \frac{{ – 9}}{2}} \right)\)
c) \(\frac{3}{4}.\frac{{11}}{{27}} + \frac{{16}}{{27}}.\frac{3}{4} + \frac{1}{2}\)
d) \(\frac{{27}}{{23}} – \frac{{ – 5}}{{21}} – \frac{4}{{23}} + \frac{{16}}{{21}} + \frac{1}{2}\)