The price of the strawberry is 20p. The price of the lemon is 13p less than the price of the strawberry. How much does the lemon cost?
20p -13p =7p
Cửa hàng A có 31 con chim. Cửa hàng B có 18 con chim. Cả hai cửa hàng co bao nhiêu con chim?
49
96 + 45 =
141
35 - 11 =
24
61 - 23=
38
46 - 32 =
14
32 - 11 =
21
74 + 12 =
86
35 + 16 =
41
12 + 11 =
23
