Question

a)0,25-0,37-1,18=
12,4+0,31-10,824=
0,(3)-0(6)+0,25=
0,2-4,7+3,52=
b)in poza
Dau coroana si 20 puncte
ESTE urgent!!!

Answer 1

a) 0,25-0,37-1,18=-1,3
12,4+0,31-10,824=1,886
0,(3)-0,(6)+0,25=-0,05
0,2-4,7+3,52=-0,98

b) 3/4-4/5-3/10=15-16-6/20=-7/20
2/3-2/4+5/12=2/3-1/2+5/12=8-6+5/12=7/12
-2,25+2/8-1 1/8=-9/4+2/8-9/8=-25/8
-5/12-3/4-1/6=-5+9+2/12=-16/12=-4/3
1/4-0,125=1/4-1/8=1/8

Answer 2

A.1) 0,25-1,55=-1,3 sau -13/10 sau -1 intreg si 3/10
2) 12,31-14,824=-2,514 sau -1257/500 sau -2 intregi si 257/500
3) nu stiu cu perioade
4) 3,72-4,7=-0,98 sau -49/50
B. 1) 30/10-8/10-3/10=19/10 sau 1 intreg si 9/10 sau 1,9
2) 2/3-1/2+1/2=2/3
3) -9/4+2/8-1/8=-17/8 sau -2 intregi si 1/8 sau -2,125
4) -5/12-9/12-2/12=-16/12 sau -4/3 sau 1 intreg si 1/3
5) 1/4 -1/8=1/8 sau 0,125