Question

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Answer 1

Explicación paso a paso:

f) 40 -[30+6(19-12)]

40-[30+6(7)]

40-[30+42]

40-[72]

40-72

-32

g)2{4[7+4(5*3-9)]-3(40-8)}

2{4[7+4(15-9)]-3(32)}

2{4[7+4(6)]-3(32)}

2{4[7+24]-3(32)}

2{4[31]-3(32)}

2{124-96}

2{28}

56

h) (3-8)+[5-(-2)]

(-5)+[5+2]

(-5)+[7]

2

i)5-[6-2-(1-8)-3+6]+5

5-[6-2-(-7)-3+6]+5

5-[6-2+7-3+6]+5

5-[4+7-3+6]+5

5-[4+7-3+6]+5

5-[11-3+6]+5

5-[8+6]+5

5-[14]+6

5-14+6

-9+6

-3

j) 9/[6/(-2)]

9/[6/-2]

9/[-3]

-3