অনুশীলনী 8.1
1. তলত দিয়াবোৰৰ দশমিক ভগ্নাংশত লিখা –
উত্তৰঃ
a) 265 + 1/10 = 265 + 0.1 = 265.1
b) 7 + 0/10 + 5/100 = 7 + 0 + 0.05 = 7.05
c) 309 + 5/10 + 0/100 + 2/1000 = 309 + 0.5 + 0.00 + 0.002 = 309.502
d) 441 + 0/10 + 0/100 + 3/1000 = 441 + 0 + 0 +0.003 = 441.003
e) 100 + 8/10 + 3/100 + 5/1000 = 100 + 0.8 + 0.03 + 0.005 = 100.835
2. তলত দিয়াবোৰ দশমিক ভগ্নাংশ হিচাপে লিখা –
a) 34 + 2/10 +1/100
b) 25 + 1/100
c) 35 + 1/100 + 2/1000
d) 3/10 + 7/1000
e) 10 + 3/10 + 5/100 + 1/1000
উত্তৰঃ
a) 34 + 2/10 + 1/100 = 34 + 0.2 + 0.02 = 34.22
b) 25 + 1/100 = 25 + 0.25 = 25.25
c) 35 + 1/100 +2/1000 = 35 + 0.01 + 0.002 = 35.012
d) 3/10 + 7/1000 = 0.3 + 0.007 = 0.307
e) 10 + 3/10 + 5/100 + 1/1000 = 10 + 0.3 + 0.05 + 0.001 = 10.351
3. বিস্তাৰ কৰা –
a) 0.458
b) 10.148
c) 213. 701
d) 9.007
e) 0.306
f) 240. 04
g) 88.222
উত্তৰঃ
a) 4/10 + 5/100 + 8/1000 = 0.458
b) 10 + 1/10 + 4/100 + 8/1000 = 10.148
c) 2 X 100 + 1 X 10 + 3 X 1 + 7/10 + 0/100 + 1/1000 = 213.701
d) 9 X 1 + 0/10 + 0/100 + 7/1000 = 9.007
e) 3/10 + 0/100 + 6/1000 = 0.306
f) 2 X 100 + 4 X 10 + 0 X 1 + 0/10 + 4/100 = 240.04
g) 8 X 10 + 8 X 1 + 2/10 + 2/100 + 2/1000 = 88.222