A. 2/15 - 1/2 + 3/10 B. 3/7 + 4/21 + 13/14 C. 4 2/5 - 1 1/3 + 2 3/4 D. 10 1/4 + 1 2/3 + 20 7/8 E. 2,25 + 25% + 1 1/2

Question

Matematika Diposting : 2017-08-14 Diupdate : 2021-09-11 AdistyArga

Pertanyaan

A. 2/15 - 1/2 + 3/10

B. 3/7 + 4/21 + 13/14

C. 4 2/5 - 1 1/3 + 2 3/4

D. 10 1/4 + 1 2/3 + 20 7/8

E. 2,25 + 25% + 1 1/2

Answer 1

A. 2/15-1/2+3/10=4-15+9/30
=13-15/30 =-2/30
=-2/30=-1/15