Ex 1

1. I was at my friend’s house yesterday.
2. The girls were happy last week.
3. Grandma was at supermarket two hours ago.
4. You were late for school yesterday.
5. Sam was tried last night.
6. Marek and Anna were bored last Saturday.
7. The dog was in the garden yesterday.
8. You and Ahmed were at school last Monday.
9. It was sunny last week.
10. We were at the cinema last night.

Continue reading “Ex. 1,2” →

Վարժ 306

Օգտագործելով բազմապատկման տեղափոխական և զուգորդական օրենքները՝ հաշվե՛ք առավել համար եղանակով․

ա) 4x138x25=25x4x138=100×138=13800

բ) 8x3x5=5x8x3=40×3=120

գ) 2x14x25x5=2x5x14x25=10×350=3500

դ) 11x2x30x5=2x5x11x30=10×330=3300

ե) 6x4x5x20=24×100=2400

զ) 17x8x4x5=5x8x17x4=40×68=2560 Continue reading “306.316.618” →