Các câu hỏi tương tự
1/2+5/6+11/12+19/20+......+89/90
1/2+5/6+11/12+19/20+41/42+55/56+71/72+89/90
Tính : 1/2 + 5/6 + 11/12 + 19/20 + ......... + 71/71 + 89/90
tính nhanh : C = 1/2 + 5/6 + 11/12 + 19/20 + 29/30 + 41/42 + 55/56 + 71/72 + 89/90
B=91/2+5/6+11/12+19/20+...+89/90)x100
A=1/2+5/6+11/12+19/20+29/30+41/42+71/72+89/90
1/2+5/6+11/12+19/20+29/30+41/42+55/56+71/72+89/90
26 tháng 9 2021 lúc 10:02
Tính nhanh:
1/2 + 5/6 + 11/12 + 19/20 + 29/30 + 41/42 + 55/56 + 71/72 + 89/90
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