32+63 x a x (a x 1-a/1) +32 x 8+32
=32+32x8+32
=32x10
=320
32+63 x a x (a x 1-a/1) +32 x 8+32
=32+32x8+32
=32x10
=320
tinh nhanh tong sau 1 phan 2 cong 1 phan 4 cong 1 phan 8 cong 1 phan 10 cong 1 phan 16 cong 1 phan 32 cong 1 phan 64 cong 1 phan 128
tinh nhanh
58 nhan 42 cong 32 nhan8 cong 5 nhan 16
tinh nhanh
a,[42 nhan 43 cong 43 nhan 57 cong 63] cong 506 chia 4
b,17 nhan 4 cong 8 nhan 4 cong 3 nhan 100
58 nhan 42 cong 32 nhan 8 cong 5 nhan 16
tinh nhanh [200 tru 58] nhan 58 cong [100cong 42] nhan 42
50 tru 51 cong 40 tru 41 cong 30 tru 31 cong 60
28 cong 62 nhan a nhan [ a nhan 1 tru a chia 1] cong 28 nhan 8 cong
jup mk nha mk dg voi tat ca deu la tinh nhanh nha ai jup hay ai ko jup thi cung kp voi mk nha
to 1 co 16 cong nhan chuyen duoc 32 tan hang vao kho trong 2 gio hoi to 2 co 8 cong nhan thi chuyen duc bao nhieu tan hang vao kho trong 8 gio
biet so A lon hon trung binh cong cua so A va cac so 1986 1999 2013 la 32 tim so A
a cong a cong a cong 1/2 nhan 2/5 cong a cong 8/10 cong a bang136
1;A,TINH TONG DAY SAU
4 CONG 8 CONG 12 ...........................CONG 2016
B,TINH TONG CAC CHU SO O DAY TRÊN