3 3/4×7/9=35/12 а это 2 целых 11/12
3 3/4+7/9=4 целых 19/36
3 3/4-7/9 = 2 целых 35/36
3 3/4:7/9=4 целых 23/28
Возможно, его внуку всего один месяц :) тогда этому человеку:
1 * 600 = 600
600 : 12 = 50 лет :)
3 This is her TV
4 This is them radio
5 This is my lamp
6 This is her bed
7 This is them TV
8 This is his radio
9 This is them lamp
10 This is his bed