Question

45*(2 3\5+4 11\15)=

38*(2 3/19+2 3/38)=

105*(5 2/3-2 5/15)=

85*(17 5/17-6 37/85=
Срочно пж

Answer 1

Ответ:

1) 45((2 +4) (3/5 +1/15))

45(6 +2/3)

45 *6 2/3

45 20/3 = 15* 20= 300

2) 38 (23/19 + 79/38)

38 * 125/38 = 125