Các câu hỏi tương tự
tinh nhanh
(3-1/4+2/3)-(5+1/3-6/5)-(6-7/4+3/2)
tinh nhanh A = 1*2+2*3+3*4+4*5+5*6+6*7+7*8+8*9+9*10
tinh nhanh 1/2+[-1/3]+1/4+[-1/5]+1/6+[-1/7]+1/8+1/8+1/7+-1/6+1/5+[-1/4]+1/3+[-12]
ai nhanh mik tink
2/5-2/9+2/11/7/5-7/9+7/11:1/3-1/4+1/5/7/6-7/8+7/10:tinh nhanh
tinh nhanh
A = ( 7 - 3/4 + 1/3) - ( -6 + 5/4 - 4/3) -( 13 - 7/4 + 5/3)
Tinh nhanh
A= -7/21 +(1+1/3)
B= 2/15 +(5/9+-6/9)
C= (-1/5+3/12)+-3/4
tinh nhanh
A=-7/21+(1+1/3)
B=2/15+(5/9+-6/9)
C =(-1/5+3/12)+-3/4
tính nhanh
a,(-3/4 + 5/13):2/7-(2/1/2+8/13):2/7
b,-3/5:(-1/15-1/6)+3/5:(-1/3-1/1/15)
c,(3-1/4+2/3)-(5-1/3-6/5)-(6-7/4+3/2)
tinh nhanh: 1+2-3-4+5+6-7-8+.......................-299-301+302