Froggy Jumps Kuis Penjumlahan dan PenguranganOnline version Uji kemampuan tambah-kurang. by Queen Chaos 1 5+8 a 16 b 11 c 13 2 3-1 a 4 b 2 c 1 3 12+3 a 15 b 8 c 10 4 7+10 a 17 b 13 c 16 5 6+8 a 14 b 10 c 17 6 1+4 a 8 b 5 c 3 7 8-3 a 6 b 9 c 5 8 6+9 a 14 b 15 c 3 9 10-7 a 8 b 3 c 9 10 2+6 a 8 b 4 c 7