Question

Vreau un raspun urgent 1 2 3 4 5 bn

Answer 1

Am adaugat rezolvarile

Answer 2

1)1,3+2,4=3,7
1,23+3,21=4,44
1,3+2,45=3,75
12,3+1,23=13,53
13,21+1,231=14,441

2)2,4-1,3=1,1
12,3-10,2=2,1
2,4-0,24=2,16
12,3-1,23=11,07
13,21-1,231=11,979

3)a)3,4+4,3=7,7
b)12,3+3,12=15,42
c)13,45+1,345=14,795
d)12+1,2=13,2
e)1,34+13,4=14,74
f)14,3+143=157,3

4)a)4,13-3,11=1,02
b)23,5-2,35=21,15
c)5-2,4=2,6
d)9-8,3=0,7
e)12,34-10=2,34
f)134,2-13,42=120,78

5)1,24×10=12,4
12,3×100=1230
2,4×0,1=0,24
12,3×0,01=0,123
13,21×1000=13210