口算。5＋8＝（）9＋5＝（）8＋5

口算。:A-g(y5j4Y6F,}

5＋8＝)u:_1a3@:R.l.S:A-g(y5j4Y6F,}

9＋5＝,@:@5T8}*P7e5F.o-~)V+J;u;Y:A-g(y5j4Y6F,}

8＋5＝([*P/B;E6P1J(H:i:A-g(y5j4Y6F,}

3＋8＝8D2S;|7v(H*Y-^-Z;g;V+o,S1W3\:A-g(y5j4Y6F,}

8＋4＝2E'J.D3d-S(T3A)D;f4U,|:A-g(y5j4Y6F,}

5＋9＝1H7@;K;Z1f1h:R1d.p:A-g(y5j4Y6F,}

12－4＝-v0~(Y(e:A-g(y5j4Y6F,}

12－3＝9Y,O*}1N:x:N)c+w5H:A-g(y5j4Y6F,}

11－2＝5N1g*b+w4h3p:A-g(y5j4Y6F,}

11－3＝*Z'\(R6@(W.W.R'}0h:A-g(y5j4Y6F,}

13－4＝4e.w.t2Z8~8I0I.q7@2s;`:O5{+H:A-g(y5j4Y6F,}

5＋7＝)h4\+X;Z'D/H2~1o9J8j5l+t:A-g(y5j4Y6F,}