a) 0,1 + 3/4 = 0,10 + 0,75 = 0,85
b) 2/3 - 0,3 = 2/3 + 3/10 = 20/30 - 9/30 = 11/30
c) 1/2 + 0,418 = 0,500 + 0,418 = 0,918
d) 4/7 * 0.3 = 4/7 * 3/10 = 6/35
e) 2 1/4 : 0,1 = 2,25 : 0,1 = 22,5
f) 0,4 : 3/4 = 0,4 : 0,75 = 4/10 : 3/4 = 4/10 * 4/3 = 8/15
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a) 0,1 + 3/4 = 0,10 + 0,75 = 0,85
b) 2/3 - 0,3 = 2/3 + 3/10 = 20/30 - 9/30 = 11/30
c) 1/2 + 0,418 = 0,500 + 0,418 = 0,918
d) 4/7 * 0.3 = 4/7 * 3/10 = 6/35
e) 2 1/4 : 0,1 = 2,25 : 0,1 = 22,5
f) 0,4 : 3/4 = 0,4 : 0,75 = 4/10 : 3/4 = 4/10 * 4/3 = 8/15