问题 解答题 口算.16×3=0÷79=0.5+13=521×1426=8+17=914÷310=2-817-917=16.5+4.7=17÷3÷17=5.6×18= 答案 16×3=12,0÷79=0,0.5+13=56,521×1426=539,8+17=817,914÷310=157,2-817-917=1,16.5+4.7=21.2,17÷3÷17=13,5.6×18=0.7.故答案为:12,0,56,539,817,157,1,21.2,13,0.7.