\(Q=\left(\frac{1}{99}+\frac{12}{999}+\frac{123}{9999}\right)\left(\frac{1}{2}-\frac{1}{3}-\frac{1}{6}\right)\)
\(Q=\left(\frac{1}{99}+\frac{12}{999}+\frac{123}{9999}\right)0=0\)
(1/99+12/999+123/9999).(1/2-1/3-1/6)
(1/99+12/999-123/9999).(1/2-1/3-1/6)
(1/99+12/999-123/9999).(1/2-1/3-1/6)
( 1/99 + 12/999 - 123/9999) x (1/2 - 1/3 - 1/6)
tính nhanh:
B=(\(\frac{1}{99}+\frac{12}{999}-\frac{123}{9999}\)).(\(\frac{1}{2}-\frac{1}{3}-\frac{1}{6}\))
13-(1/99+12/999-123/9999).(1/2-1/3-1/6)
làm chi tiết
a) 8/5 x 2/5 x 3/8 x 10 x 19/192
b) ( 1/99 + 12/999 - 123/9999) x (1/2 - 1/3 - 1/6)
A=(1/99+12/999-123/9999)nhân(1/2-1/3-1/4) . hộ mk vs
A=(1/99+12/999-123/9999) x (1/2-1/3-1/4). hộ mk vs