Sort:  

apple is 10
and 10 + ? +? =18
each banana is 4

Its a trick problem, each banana is counted separate. Which Is why in the last problem the banana has 3 instead of 4.

Coin Marketplace

STEEM 0.17
TRX 0.23
JST 0.032
BTC 97755.33
ETH 2762.94
USDT 1.00
SBD 2.98