Question

please answer this all questions correctly​

Answer 1

Answer:

(a) (+7)+(-11)

(+7)+(-11) +7-11

(+7)+(-11) +7-11 -4

(+7)+(-11) +7-11 -4(b) (-7)+(-12)

(+7)+(-11) +7-11 -4(b) (-7)+(-12) -7-12

(+7)+(-11) +7-11 -4(b) (-7)+(-12) -7-12 -19

(+7)+(-11) +7-11 -4(b) (-7)+(-12) -7-12 -19(c) 5+10

(+7)+(-11) +7-11 -4(b) (-7)+(-12) -7-12 -19(c) 5+10 15

(+7)+(-11) +7-11 -4(b) (-7)+(-12) -7-12 -19(c) 5+10 15(d) +10-5

(+7)+(-11) +7-11 -4(b) (-7)+(-12) -7-12 -19(c) 5+10 15(d) +10-5 5

Answer 2

Answer:

Hey mate!

Here's the answers.

Step-by-step explanation:

(a) (+7)+(-11)

=> 7+-11 [+×—=—]

-4

(b) (-7)+(-12)

=> -7+-12 [{-×+=-} {-×-=-}]

-19

(c) (5)-(-10)

=> 6- -10. [-×-=+]

16

(d) (+10)+(-5)

=> 10+-5 [+×-=-]

-5

hope it helps.