Các câu hỏi tương tự
32 +6 * a * (a * 1 -a :1 )+ 32 * 8 + 32
Tinh nhanh : 32 cong 63 ×a×(a×1-a÷1)cong 32×8 cong 32
A= \(A=1*2*3+2*4*6+4*8*12+8*16*24 \over 2*3*4+4*6*8+8*12*16+16*24*32\)
a) 1/2+1/6+1/12+1/20+1/30+1/42
b) 1/2+1/4+1/8+1/16+1/32+1/42
A=1/2+1/4+1/8+1/16+1/32
Tính tổng
A)1/2+1/4+1/8+1/16
B)75/100+18/21+19/32+1/4+3/21+13/32
A= 1/2+1/4+1/8+1/16+1/32+1/64
A=?
A=1/2+1/4+1/8+1/16+1/32+1/64
A=?
1. tính nhanh
A= 8 x 12 x 32 + 4 x 27 x 24 + 41 x 6 x 16