Addition and Subtraction (Two digits)：練習問題

Calculate the result of \(38 + 29\).

A fruit shop had \(84\) watermelons. It sold \(36\) watermelons in the morning and \(25\) watermelons in the afternoon. How many watermelons were left?

A florist had \(45\) roses. She used \(18\) roses to make a bouquet and then bought \(27\) more roses from the market. How many roses does she have now?

Lily collected 23 colourful stamps. Her friend, Tom, gave her 19 more stamps. How many stamps does Lily have in total?

A toy shop has \(65\) white teddy bears. There are \(36\) more white teddy bears than brown teddy bears. How many brown teddy bears are there in the shop?

In a florist shop, there are 47 white roses and 38 yellow roses. How many roses are there in total?

A shopkeeper had \(82\) bottles of juice. On Saturday, he sold \(35\) bottles. On Sunday, he received a new shipment of \(24\) bottles. How many bottles of juice does the shopkeeper have now?

Emily had some sweets. She ate \(15\) sweets and gave \(12\) sweets to her brother. She has \(30\) sweets left. How many sweets did Emily have at first?

There are 34 ham sandwiches and 28 cheese sandwiches prepared for a school picnic.
a) How many sandwiches are there in total?
b) After the students eat 41 sandwiches, how many sandwiches are left?

A toy store has 48 puzzle boxes. On Monday, they sell 19 boxes. On Tuesday, they receive a new shipment of 25 puzzle boxes.
a) How many puzzle boxes does the store have after Monday's sales?
b) How many puzzle boxes does the store have in total after the new shipment arrives on Tuesday?