Evaluate the following products with out actual multiplication : `101 xx 99`

Evaluate the following products without actual multiplication. (i) 101 xx 99

Evaluate the following products with out actual multiplication : 999 xx 999

Evaluate the following products with out actual multiplication : 501 xx 501 .

Evaluate the following products with out actual multiplication : 30.5 xx 29.5 .

Evaluate the following products with out actual multiplication : 50(1/2) xx 49(1/2) .

Evaluate the following products without actual multiplication . (i) 101xx99 (ii) 999xx999 (iii) 50(1)/(2)xx49(1)/(2) (iv) 501xx501 (v) 30.5xx29.5

Evaluate the following products without actual multiplication. 50 1/2 xx 49 1/2

65 xx 99 =

Find the following product using appropriate identities. 102 xx 98

Evaluate the following by using suitable identities : 99^(2)