`1.4 xx 3.2-2xx2.1+0.8`

Evaluate: (1.2 xx 1.2 + 1.2 xx 0.3 + 0.3 xx 0.3)/(1.2 xx 1.2 xx 1.2- 0.3 xx 0.3 xx 0.3)

Simplify : ((1.5)^3 + (4.7)^3+(3.8)^3 -3xx 1.5 xx 4.7 xx 3.8)/((1.5)^2 +(4.7)^2+(3.8)^2-1.5 xx 4.7 -4.7 xx 3.8 -3.8 xx 1.5)

Evaluate : 1.2 xx 2.3 xx 0.4

The value [ 0.08 div 1.2of (3.4 -2.6) xx 0.8 "of" 3.2 ] " of" 9/16 lies between :

Simplify: (1. 2\ xx\ 1. 2\ xx\ 1. 2-0. 2\ xx\ 0. 2\ xx\ 0. 2)/(1. 2\ xx\ 1. 2+1. 2\ xx\ 0. 2+0. 2\ xx\ 0. 2)

Multiply and express as a mixed fraction : (a) 3 xx 5 1/5 (b) 5 xx 6 3/4 (c) 7 xx 2 1/4 (d) 4 xx 6 1/3 (e) 3 1/4 xx 6 (f) 3 2/3 xx 8