84:14+89=? 70-91:13=? 90:30:3=? 96:12•15=? 65-48:(81:27)=? (64+29):3=?

Question

84:14+89=? 70-91:13=? 90:30:3=? 96:12•15=? 65-48:(81:27)=? (64+29):3=?

Answer 1

84:14=6+89=95
91:13=7. 70-7=63
90:30=3:3=1
96:12=8*15=120
(64+29)=93:3=31