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0 nha bạn vì kết quả trong ngoặc đầu tiên kết quả là 0 và bên kia là 6912.Mà 0 nhân với bất kì số nào cũng bằng 0 nha bạn.
216m\(^2\)= 0,000216 km\(^2\)
8km\(^2\)216m\(^2\)=8,000216 km\(^2\)
\(A=248-242+240-234+232-226+...+216-210\)
\(=4+4+4+...4\)
Số số 4 là \(\left(248-216\right):8+1=5\)
\(\Rightarrow A=5.4=20\)
216 - ( 116 - 74 )
= 216 - 116 +74
= (216 - 116) + 74
= 100 + 74
= 174
dễ ợt!!!
SỐ đó là :
216 x 7/8 = 1512/8 (rút gọn = 189)
2/3 của số đó là:
189 x 2/3 = 126
Đ/S : 126
cái này là toán lớp 4 đúng hơn!
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216% : 8 = 27%