Matemática, perguntado por ketellyn1410, 8 meses atrás

Qual a fração equivalente de
1/2 ?/4
1/3 ?/6
3/4 15/?
1/4 ?/8
2/3 ?/9
2/6 ?/12
3/5 ?/10
1/5 ?/10
1/7 5/?

Soluções para a tarefa

Respondido por keilafernades1502
1

Resposta:

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

Explicação passo-a-passo:

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)+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)+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)+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)+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

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