\( 90-2+9-8= \)
87
89
\( 14-5-9+7+2= \)
\( 11 \)
\( 9 \)
\( 26-6+9+7-12= \)
\( 22 \)
\( 24 \)
\( 30+6-5+7-17= \)
\( 23 \)
\( 21 \)
\( 32-4-19+3-7= \)
\( 4 \)
\( 5 \)
90−2+9−8= 90-2+9-8= 90−2+9−8=
14−5−9+7+2= 14-5-9+7+2= 14−5−9+7+2=
9 9 9
26−6+9+7−12= 26-6+9+7-12= 26−6+9+7−12=
24 24 24
30+6−5+7−17= 30+6-5+7-17= 30+6−5+7−17=
21 21 21
32−4−19+3−7= 32-4-19+3-7= 32−4−19+3−7=
5 5 5