直接写出得数.
13 + 25 =
23 ﹣ 25 =
34 + 38 =
12 ﹣ 16 =
35 × 79 =
127 × 1415 =
47 ÷ 814 =
59 ÷ 56 =
15×0.4=
10÷2.5=
2.4×5=
0.78÷1.3=
Jack, ______ his father ______ climbing the hill.
跨经度最广的大洲是( )