`[2/7 + 4/7] xx [4'2/3] = "____"`

2/7xx7/7-"4/3

Evaluate : ( -5/ 7 ) times [ 2/5 + ( -4/7 ) ] = ( -5/7 ) times 2/5 + --- times ( -4/7 )

Observe the following patterns and fill in the blanks to make the statements true: 7xx4=28 7xx3 = _____=28-7 7xx2 =_____ =_____-7 7xx1 = 7=____-7 7xx0= ____= ______ -______ 7xx-1= -7= ______-______ 7xx-2= ______= ______-______ 7xx-3= ______= ______-______

(1/4 xx 2/7)- ( 5/(14) xx 2/3)

The value of 2xx 2 + 4 xx 4 + 2 " of " 3 xx 6 - 7 xx (5 + 4 -: 2 ) is :

Evaluate (i) 3/2 xx 4/5+3/5 xx 4/5 (ii) 14/3 xx 7/2-1/3 xx 7/2

7^4 xx (7)^(-3)

Show that : 4/7 times ( -2/8 + 3/4 ) = 4/7 times -2/8 + 4/7 times 3/4

(2/7 div 7/2) times 3/4

Evaluate : 2/3 times ( 4/5 + 7/8 ) = ( 2/3 times 4/5 ) + ( 2/3 times 7/8 )