1/2+5/6+11/12+19/20+29/30+41/42+55/56+71/72+89/90+109/110
Tính nhanh :
a. 5/6+11/12+19/20+29/30+41/42+55/56+71/72+89/90
b. 1/2+5/6+11/12+19/20+29/30+41/42+55/56+71/72+89/90+109/110
GIÚP MK VỚI AI NHANH MK TICK
11/12+19/20+29/30+41/42+55/56+71/72+89/90+109/110
Tính:
11/12+19/20+29/30+41/42+55/56+71/72+89/90+109/110
Tính bằng cách hợp lí:
11/12 + 19/20 + 29/30 + 41/42 + 55/56 + 71/72 + 89/90 + 109/110
Tính nhanh
5/6+11/12+19/20+29/30+41/42+55/56+71/72+89/90+109/110
Ai trả lời được mà nhanh mình cho tick!!!!!!!! Cảm ơn các bạn nhiều
\(\frac{11}{12}+\frac{19}{20}+\frac{29}{30}+\frac{41}{42}+\frac{55}{56}+\frac{71}{72}+\frac{89}{90}+\frac{109}{110}=?\)
A= 1/2+5/6+11/12+19/20+29/30+41/42+55/56+71/72+89/90+109/110
GIUP MK NHA AI NHANH NHAT MK TICH CHO
bai 2 :xy,mn-0,xy=19,94
Tính giá trị
A = 1 - 11/6 + 19/12 - 29/20 + 41/30 - 55/42 + 71/56 - 89/72 + 109/90