InterviewSolution
Saved Bookmarks
| 1. |
Mark true or false.(a) (100 + 10) + 5 = 100 + (10 + 5) ____(b) 100 − (10 − 5) = (100 − 10) − 5 ____(c) (72 − 36) − 20 = 72 − (36 − 20) ____(d) (68 × 4) × 20 = 68 × (4 × 20) ____(e) 7(6 − 3) = 7 × 6 − 7 × 3 ____(f) 20 × 30 = 30 × 20 ____(g) 87 − 41 = 41 − 87 ____(h) 16 × 4 = 4 × 16 ____(i) 480 + 0 = 0 + 480 ____(j) (16 + 7) + 3 = 16 + (7 + 3) ____ |
|
Answer» Mark true or false. (a) (100 + 10) + 5 = 100 + (10 + 5) ____ (b) 100 − (10 − 5) = (100 − 10) − 5 ____ (c) (72 − 36) − 20 = 72 − (36 − 20) ____ (d) (68 × 4) × 20 = 68 × (4 × 20) ____ (e) 7(6 − 3) = 7 × 6 − 7 × 3 ____ (f) 20 × 30 = 30 × 20 ____ (g) 87 − 41 = 41 − 87 ____ (h) 16 × 4 = 4 × 16 ____ (i) 480 + 0 = 0 + 480 ____ (j) (16 + 7) + 3 = 16 + (7 + 3) ____ |
|