\( (+0.5)+(+\frac{1}{2})= \)
\( 1 \)
\( 0 \)
\( (+43)-(+15)= \)
\( 28 \)
\( 58 \)
\( (+71)+(-18)= \)
\( 53 \)
\( -89 \)
\( (-2^2)-(-3\frac{3}{4})= \)
\( \frac{1}{4} \)
\( -\frac{1}{4} \)
\( (-3\frac{2}{6})+(-2.75)= \)
\( -5\frac{5}{6} \)
\( -6\frac{1}{12} \)
(+0.5)+(+12)= (+0.5)+(+\frac{1}{2})= (+0.5)+(+21)=
1 1 1
(+43)−(+15)= (+43)-(+15)= (+43)−(+15)=
28 28 28
(+71)+(−18)= (+71)+(-18)= (+71)+(−18)=
53 53 53
(−22)−(−334)= (-2^2)-(-3\frac{3}{4})= (−22)−(−343)=
−14 -\frac{1}{4} −41
(−326)+(−2.75)= (-3\frac{2}{6})+(-2.75)= (−362)+(−2.75)=
−6112 -6\frac{1}{12} −6121
\( (-\frac{2}{4})-(+3.5)= \)
\( -4 \)
\( -5.9 \)\( \)
\( (+2.16)+(-4\frac{1}{16})= \)
\( -1.90625 \)
\( 6.2225 \)
\( (+\frac{18}{6})-(-\frac{1}{4})= \)
\( 2.75 \)
\( 3.25 \)
(−24)−(+3.5)= (-\frac{2}{4})-(+3.5)= (−42)−(+3.5)=
−4 -4 −4
(+2.16)+(−4116)= (+2.16)+(-4\frac{1}{16})= (+2.16)+(−4161)=
−1.90625 -1.90625 −1.90625
(+186)−(−14)= (+\frac{18}{6})-(-\frac{1}{4})= (+618)−(−41)=
3.25 3.25 3.25