Завдання:
Спрости вираз:
1) 8 ⋅ 7 ⋅ х;
2) 17х ⋅ 2;
3) 5 ⋅ х ⋅ 9 ⋅ m;
4) 9а ⋅ 11b;
5) 5 ⋅ х ⋅ 9 ⋅ 8 ⋅ а ⋅ m;
6) 10b ⋅ 20с ⋅ 17р.
Розв'язок:
1) 8 ⋅ 7 ⋅ х = 56x
2) 17х ⋅ 2 = 34x
3) 5 ⋅ х ⋅ 9 ⋅ m = 45xm
4) 9а ⋅ 11b = 99ab
5) 5 ⋅ х ⋅ 9 ⋅ 8 ⋅ а ⋅ m = 360xam
6) 10b ⋅ 20с ⋅ 17р = 3400bcp