Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month
Ex 1.1, 9 (e) - Chapter 1 Class 7 Integers
Last updated at Sept. 9, 2021 by Teachoo
Ex 1.1
Ex 1.1, 1
Ex 1.1, 2
Ex 1.1, 3 Important
Ex 1.1, 4
Ex 1.1, 5 Important
Ex 1.1, 6 Important
Ex 1.1, 7
Ex 1.1, 8 (i)
Ex 1.1, 8 (ii) Important
Ex 1.1, 8 (iii) Important
Ex 1.1, 8 (iv)
Ex 1.1, 9 (a)
Ex 1.1, 9 (b) Important
Ex 1.1, 9 (c)
Ex 1.1, 9 (d) Important
Ex 1.1, 9 (e) You are here
Ex 1.1, 10 Important
Transcript
Ex 1.1, 9 Use the sign of >, < or = in the box to make the statements true. (e) – 231 + 79 + 51 ⎕ –399 + 159 + 8139 + (– 24) – (15) ⎕ 36 + (– 52) – (– 36) 39 + (– 24) – (15) = 39 − 24 − 15 Taking – common = 39 − (24 + 15) = 39 − 39 = 0 36 + (– 52) – (– 36) = 36 − 52 + 36 = 36 + 36 − 52 = 72 − 52 = 20 0 ⎕ 20 0 < 20 Ex 1.1, 9 Use the sign of >, < or = in the box to make the statements true. (e) – 231 + 79 + 51 ⎕ –399 + 159 + 81–231 + 79 + 51 = −231 + 130 Taking – common = −(231 − 130) = −101 – 399 + 159 + 81 = −399 + 240 Taking – common = −(399 − 240) = −159 −101 ⎕ −159 −101 ⎕ −159
