Tính bằng cách thuận tiện nhất :
96,28 x 3,725 +3,725 x 3,72 0,75 + 0,5 +0,875 +1/2 + 25% + 1/8
...........................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
.............................................................................................................................................
a)3,725x(96,28+3,72)=3,725x100=372,5
b)0,75+0,5+0,875+0,5+0,25+0,125
=(0,75+0,25)+(0,5+0,5)+(0,875+0,125)=1+1+1=3
96,28 x 3,725 + 3,725 x 3,72
= 3,725 x (96,28 + 3,72)
= 3,725 x 100
= 372,5
0,75 + 0,5 + 0,875 + 1/2 + 25% + 1/8
= (0,75 + 25%) + (0,5 + 1/2) + (0,875 + 1/8)
= 1 + 1 + 1
= 3