\(\frac{9}{40}\) - \(\frac{11}{60}\) + \(\frac{13}{84}\) - \(\frac{15}{112}\)
= \(\frac{1}{24}\) + \(\frac{13}{84}\) - \(\frac{15}{112}\)
= \(\frac{11}{56}\) - \(\frac{15}{112}\)
= \(\frac{1}{16}\)
tinh m=9/40-11/60+13/84-15/112
ai giai tui tich
tinh
M=9/40-11/60+13/84-15/112
(giai bang cach thuan tien)
tinh gia tri cua bieu thuc
(10^2+11^2+12^2):(13^2+14^2)
1/Tinh gia tri cua bieu thuc
A/(139,4 + 42,002) : 0,65
B/(48,7 +25,8) * 0,1 -0,9
2/ Tim cac so sau,biet
A/40% cua so do bang 112
B/37% cua so do bang 59,2
tinh
m=9/40-11/60+13/84-15/112
ai giai tui tich ( giải cách thuận tiện)
9/40-11/60+13/84-15/112
M=9/40-11/60+13/84-15/112
M=9/40-11/60+13/84-15/112
Tinh gia tri cua bieu thuc
5500 - 375 + 1182
8376 - 2453 - 699
1054 + 987 - 1108
1540 : 11 + 1890 : 9 + 982
