a) -3,82+7,5
b) 0,417-12,03
c) -3 1/4 - 4 1/3
d) 4 2/5+(-4 1/3)
e) 4 2/5+(-2 3/20)
f) -1 5/6-(-1 3/8)
g) -5,2+31 1/4
h) -12 2/3+2,6
i) 8,25-10 3/8
j) -2,25-5 5/6
k) -0,12-(-3/4)
l) -3,35+1,1-5 1/4
m) 2 2/3-5,1-3,1
z obliczeniami pls <3
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a)-3,82+7,5= 3,68
b) 0,417-12,03=-11,613
c)-3 1/4-4 1/3= -13/4- 13/3=-39/12-52/12=-91/12=-7 7/12
d)4 2/5+(-4 1/3)= 22/5+(-13/3)=66/15+(-65/15)= 1/15
e)4 2/5+(-2 3/20)= 22/5+(-43/20)=88/20+(-43/20)= 45/20= 2 1/4
f)-1 5/6-(-1 3/8)=-11/6-(-11/8)=-88/48-(-66/48)=-22/48=-11/24
g) -5,2+31 1/4=-5 2/10+125/4=-52/10+125/4=-208/40+1250/40=1042/40=26 2/40=26 1/20
h)-12 2/3+2,6=-38/3+2 6/10=-38/3+26/10=-380/30+78/30=-302/30=-10 2/30=-10 1/15
i)8,25-10 3/8=33/4-83/8=66/8-83/8=-17/8=-2 1/8
j)-2,25-5 5/6=-9/4-35/6=-54/24-140/24=-194/24=-8 2/24=-8 1/12
k)-0,12-(-3/4)=-0,12-(-0,75)=0,63
l)-3,35+1,1-5 1/4=-3,35+1,1-5,25=-7,5
m)2 2/3-5,1-3,1=8/3-51/10-31/10=80/30-153/30-93/30=-166/30=-5 16/30
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a)
-3,82+7,5 = 3,68
b)
0,417-12,03 = -11,613
c)
-3 1/4 - 4 1/3 = -13/4-13/3 = -39/12-52/12 = -91/12 = -7 i 7/12
d)
4 2/5+(-4 1/3) = 22/5+(-13/3) = 66/15+(-65/15) = 1/15
e)
4 2/5+(-2 3/20) = 22/5+(-43/20) = 88/20+(-43/20) = 45/20 = 2,25
f)
-1 5/6-(-1 3/8) = -11/6-(-11/8) = -88/48-(-66/48) = -22/48 = -11/24
g)
-5,2+31 1/4 = -5,2+31,25 = 26,05
h)
-12 2/3+2,6 =-38/3+13/5 = -190/15+39/15 = -151/15 =-10 i 1/15
i)
8,25-10 3/8 = 8,25-10,375 = -2,125
j)
-2,25-5 5/6 = -9/4-35/6 = -54/24-140/24 = -194/24 = -8 i 1/12
k)
-0,12-(-3/4) = -0,12-(-0,75) = 0,63
l)
-3,35+1,1-5 1/4 = -3,35+1,1-5,25 = -2,25-5,25 = -7,5
m)
2 2/3-5,1-3,1= 8/3-51/10-31/10 = 80/30-153/30-93/30 = -166/30 = -5 i 8/15