Աւետի՜ս ծառոց ծաղկանց՝
Day: 08.12.2022
Մաթեմատիկա
Վարժ․347
Հետևելով Անիի օրինակին՝ գտի՛ր անհայտ արտադրիչը։
ա) 1477×5==7385
7385:5=1477
70×108=7560
7560:70=108
32×241=7712
7712:32=241
գ) 3715=5 x 743
743 x 5=3715
2460=3 x 820
820×3=2460
5082=121 x 42
121 x 42=5082
Վարժ․349
Հաշվի՛ր արտահայտության արժեքը։
ա) 32x(324-216)+5166:(5423-5381)=3579
- 324-216=108
- 5423-5381=42
- 32×108=3456
- 5166:42=123
- 123+3456=3579
բ) 44x(852+448)-(22313:53-421)x612=57200
- 852+448=1300
- 22313:53=421
- 421-421=0
- 1300×44=57200
- 612×0=0
- 57200-0=57200
Վարժ․351
a | b | axb | a:b | a+b | a-b |
600 | 300 | 18000 | 2 | 900 | 300 |
1000 | 50 | 50000 | 20 | 1050 | 950 |
ROVER IS A FUNNY DOG
Linda lives in a big house with her mother and father. The house is
comfortable. Linda has got a large room with a lot of toys in it. She
plays with her toys and her dog. Little Rover is her favourite. She
always pats it. The dog is white and black. Rover is a funny little dog.
It is very clever. Rover is always with Linda. It is with Linda when she
goes to school and when she is at home. Linda looks after Rover.
They go for a walk, they swim in the lake. Linda feeds her dog and
plays with it. Linda often goes to the pet shop to buy food for Rover.
Rover likes sweets very much but it doesn’t eat sweets every day.
Rover is Linda’s friend. It always helps her.