Now can-t you do these-i -4-7ii -3-8iii -6-9iv -2-10v -4-12vi -2-5-4-5

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Byju's Answer

Standard VII

Mathematics

Problems Involving Difference of Positive and Negative Numbers

Now can't you...

Question

Now can’t you do these?

(i) −4 + 7

(ii) −3 + 8

(iii) −6 + 9

(iv) −2 + 10

(v) −4 + 12

(vi)

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Solution

(i) −4 + 7 = 7 − 4 = 3

(ii) −3 + 8 = 8 − 3 = 5

(iii) −6 + 9 = 9 − 6 = 3

(iv) −2 + 10 = 10 − 2 = 8

(v) −4 + 12 = 12 − 4 = 8

(vi)

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Similar questions

Can you now do these?

(i) 4 − 7

(ii) 3 − 9

(iii) 6 − 10

(iv) 2 − 12

(v) 4 − 12

Now can’t you compute these?

(i) −4 − (−5)

(ii) −6 − (−9)

(iii) −12 − (−10)

(iv) −8 − (−7)

(v)

Now can’t you easily do these?

(i) 4 − (−1)

(ii) 6 − (−2)

(iii) 12 − (−8)

(iv) 2 − (−2)

(v)

Now can’t you do these?

(i) −4 + (−1)

(ii) −6 + (−4)

(iii) −12 + (−8)

(iv) −8 + (−10)

(v)

Now can’t you do these?

(i) −3 −1

(ii) −5 −6

(iii) −8 −8

(iv) −12 −18

(v)

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Now can’t you do these? (i) −4 + 7 (ii) −3 + 8 (iii) −6 + 9 (iv) −2 + 10 (v) −4 + 12 (vi)

(i) −4 + 7 = 7 − 4 = 3 (ii) −3 + 8 = 8 − 3 = 5 (iii) −6 + 9 = 9 − 6 = 3 (iv) −2 + 10 = 10 − 2 = 8 (v) −4 + 12 = 12 − 4 = 8 (vi)

Now can’t you do these?

(i) −4 + 7

(ii) −3 + 8

(iii) −6 + 9

(iv) −2 + 10

(v) −4 + 12

(vi)

(i) −4 + 7 = 7 − 4 = 3

(ii) −3 + 8 = 8 − 3 = 5

(iii) −6 + 9 = 9 − 6 = 3

(iv) −2 + 10 = 10 − 2 = 8

(v) −4 + 12 = 12 − 4 = 8

(vi)