口算58－28＝（）9×3＝（）

口算5U4i2\3o/`+?*a+p(X:@

58－28＝8e2i8W-g;{4X/n:Q6Z2`:?5U4i2\3o/`+?*a+p(X:@

9×3＝/j-e3J8P3O-M)|5d8r2F1s5U4i2\3o/`+?*a+p(X:@

4×3＝-u8l0j:},Z)q+`-W8i+k5U4i2\3o/`+?*a+p(X:@

34＋17=+G:z.R:W0k5U4i2\3o/`+?*a+p(X:@

4＋5＝+H,U8i3c+_+q5U4i2\3o/`+?*a+p(X:@

100－19=.m8O(j1X:I0F(y1N'S(D)U7l4]5U4i2\3o/`+?*a+p(X:@

7×8＝;a5W5P/i6G+H3]5U4i2\3o/`+?*a+p(X:@

4×5='D)A8O4c(r:Q)W0z1p0I4X;P5U4i2\3o/`+?*a+p(X:@

7×6－12=-Z8s-e([6U0Z:u.d5U4i2\3o/`+?*a+p(X:@

2×8＋4=-t.d7?,a0W:\5K*|*V6d5U4i2\3o/`+?*a+p(X:@

8×4＋8=;z+F'w/G)H9U+c*E5?5U4i2\3o/`+?*a+p(X:@

2×5＋5=1_+K'P-r5r(C9j0I4~'Z5U4i2\3o/`+?*a+p(X:@