me ajude a resolver 1)+2-1+3+5-2-3+10-4-5= 2)+10-8+3-1+2-8+4-6=. 3)+2-1+5-3-2+4+6-8-4-9= 4)+10-14-7+6+20-15-12=. 5)+6-8+7+2-4-3-10-5+9=. 6)+9-7-5+8+3+2-1+6=. 7)-4+1-3+5-2-6+7-8=
Soluções para a tarefa
Respondido por
2
1)+2-1+3+5-2-3+10-4-5
=1+3+5−2−3+10−4−5
=4+5−2−3+10−4−5
=9−2−3+10−4−5
=7−3+10−4−5
=4+10−4−5
=14−4−5
=10−5
=5
2)+10-8+3-1+2-8+4-6
=2+3−1+2−8+4−6
=5−1+2−8+4−6
=4+2−8+4−6
=6−8+4−6
=−2+4−6
=2−6
= −4
3)+2-1+5-3-2+4+6-8-4-9
=1+5−3−2+4+6−8−4−9
=6−3−2+4+6−8−4−9
=3−2+4+6−8−4−9
=1+4+6−8−4−9
=5+6−8−4−9
=11−8−4−9
=3−4−9
= −1−9
= −10
4)+10-14-7+6+20-15-12
=−4−7+6+20−15−12
=−11+6+20−15−12
=−5+20−15−12
=15−15−12
=0−12
=−12
5)+6-8+7+2-4-3-10-5+9
=−2+7+2−4−3−10−5+9
=5+2−4−3−10−5+9
=7−4−3−10−5+9
=3−3−10−5+9
=0−10−5+9
=−10−5+9
=−15+9
=−6
6)9-7-5+8+3+2-1+6
=2−5+8+3+2−1+6
=−3+8+3+2−1+6
=5+3+2−1+6
=8+2−1+6
=10−1+6
=9+6
=15
7)-4+1-3+5-2-6+7-8
=−3−3+5−2−6+7−8
=−6+5−2−6+7−8
=−1−2−6+7−8
=−3−6+7−8
=−9+7−8
=−2−8
=−10
=1+3+5−2−3+10−4−5
=4+5−2−3+10−4−5
=9−2−3+10−4−5
=7−3+10−4−5
=4+10−4−5
=14−4−5
=10−5
=5
2)+10-8+3-1+2-8+4-6
=2+3−1+2−8+4−6
=5−1+2−8+4−6
=4+2−8+4−6
=6−8+4−6
=−2+4−6
=2−6
= −4
3)+2-1+5-3-2+4+6-8-4-9
=1+5−3−2+4+6−8−4−9
=6−3−2+4+6−8−4−9
=3−2+4+6−8−4−9
=1+4+6−8−4−9
=5+6−8−4−9
=11−8−4−9
=3−4−9
= −1−9
= −10
4)+10-14-7+6+20-15-12
=−4−7+6+20−15−12
=−11+6+20−15−12
=−5+20−15−12
=15−15−12
=0−12
=−12
5)+6-8+7+2-4-3-10-5+9
=−2+7+2−4−3−10−5+9
=5+2−4−3−10−5+9
=7−4−3−10−5+9
=3−3−10−5+9
=0−10−5+9
=−10−5+9
=−15+9
=−6
6)9-7-5+8+3+2-1+6
=2−5+8+3+2−1+6
=−3+8+3+2−1+6
=5+3+2−1+6
=8+2−1+6
=10−1+6
=9+6
=15
7)-4+1-3+5-2-6+7-8
=−3−3+5−2−6+7−8
=−6+5−2−6+7−8
=−1−2−6+7−8
=−3−6+7−8
=−9+7−8
=−2−8
=−10
vera2078:
muito obrigada pela ajuda, assim posso auxiliar meu filho
dnd !
Respondido por
2
1)=+5
2)=-4
3)=-10
4)-12
5)-6
6)+15
7)-10
obrigada estava meio perdida ajudando meu filho na lição.Valeu
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