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A)
√11 1/9-√1,44*√2 1/4=
=√100/9-√1,44*2,25=10/3-√3,24=
=3 1/3-1,8=3 1/31 8/10=3 10/30-1 24/30=
=2 40/30-1 24/30=1 16/30=1 8/5=1,6
B)
=(0,8*0,04) / (0,5-4/7) *1/14=
=0,32 /(1/2-4/7) * 1/14=0,32 / (7/14-8/14) * 1/14=
=0,32 /(-1/14)*1/14=32/100*:(-1/14)*1/14=
=32/100*(-14/1)*1/14=-32/100=-4/25=-0,16
C)
=5-∛27/8*8/1000=5-∛27/1000=5-3/10=4 7/10=4,7
D)
=-0,4-∛-1*(-125)=-0,4-∛125=-0,4-5=4,6
a)√11¹/₉ -√1,44·√2¼=√100/9-1,2·√9/4=10/3-1,2·3/2 =10/3-1,2·1,5=10/3-1,8=10/3-18/10=
100/30-54/30=46/30=23/15 =1⁸/₁₅
b)(√0,64·√0,04) /(√1/4-√16/49)·(√1/14)² =(0,8·0,2)/ (1/2-4/7) ·1/14 =0,16/(7/14-8/14)·1/14 =
(4/25 :(-1/14) ·1/14 =[4/25·(-14) ]·1/14 =-56/25 ·1/14=-56/350=-4/25=-0,16
c)(∛5)³-∛3⅜·∛0,008 =5-∛27/8 ·0,2=5-3/2·0,2=5-1,5·0,2=5-0,3=4,7
d)∛-0,064+∛-1·∛-125=-0,4+∛125=-0,4+5=5-0,4=4,6