simplify of decimal / class 4-5 / Knowledge Hub

a) 5 - 0.005 - 0.05 + 0.5

b) 35 - 7.892 + 0.005 - 10.345

c) 17.5 + 25.5 ÷ 0.5

d) 5 + 62.5 ÷ 5

e) 5 of 17.5 ÷ 7  

f) 0.4 × 0.01 ÷ 0.005

g) 1.25 × 4.2 ÷ 0.05

h) 4.2 of 2.5 ÷ 2.1 + 8 × 1.25 ÷ 0.05

i) ( 17.5 + 2.5 ) ÷  5

j) ( 27.9 - 18.6 ) ÷  3.1  

k)  ( 0.4 × 0.4 - 0.3 × 0.3 ) ÷ ( 0.4 × 0.2 - 0.1 × 0.1 )

l) 3 + { 5.2 - ( 0.025 of 24 ÷ 0.3 ) }

m) 8 × [ 0.5 + { 100.8 ÷ 2 of 0.7 - (3.6 ÷ 1.2 ×  5 ) } ]

n) 18 ÷ `\frac1 3` + 0.3 × `\frac7 2` - 5 + `\frac1 2` 

o) 3 ÷ 8 + 1.5 × `\frac1 3` - { `\frac1 2` + ( 1 - 0.7 ) }      

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