张嘉航
张嘉航
46+18= 39+18=
15+18= 27+27=
25+19= 17+17=
15+59= 59+18=
46+15= 28+28=
张佳莹
69.7 × 15.66 58.38 × 91.8 87.83 × 78.9
43089 ÷ 29 = 24 104 ÷ 55 = 99707 ÷ 79 =
张嘉航
46+18= 39+18=
15+18= 27+27=
25+19= 17+17=
15+59= 59+18=
46+15= 28+28=
张佳莹
69.7 × 15.66 58.38 × 91.8 87.83 × 78.9
43089 ÷ 29 = 24 104 ÷ 55 = 99707 ÷ 79 =