Tolong jawabnya dikumpulkan besok!

Jawab:

1. -95

2. 8 1/12

3. 84/525

Penjelasan dengan langkah-langkah:

1. -2 – 28 :  (-4) + (-100)

= -2 + 7 – 100

= -95

2. 4 1/4 + 3/2 – 1 2/3

= (4+3) …..+…..-……./12

=7 (3+18-8)

=7 13/12—>8 1/12

3.2 1/3 = 7/3

1 1/2 = 5/2

7/3 x 5/2 = 35/6——>> 5 5/6

5 5/6 : 14/15

6/35 x 14/15

84/525

jdkn yg terbaik yaa