【題目】Shopping online is common in our real life. The chart below is the cost of shopping on the Internet of my family half a year, so the average (平均) cost of shopping online each month is ________ yuan according to the chart.

The Cost of My Family

Type

Clothes

Study stuff

Food

Shoes

Others*

Cost

720 yuan

96 yuan

180 yuan

540 yuan

1800 yuan

Note: Not shopping online

A.556B.286C.256

【答案】A

【解析】

句意：網(wǎng)上購物在我們的現(xiàn)實生活中很常見。下表是我家半年網(wǎng)上購物的花費，所以每個月網(wǎng)上購物的平均花費是多少元。

考查數(shù)學(xué)計算能力。根據(jù)句意是半年的網(wǎng)購支出，所以全年是（720+96+180+540+1800）×2=6672，每個月是總數(shù)除以12，整個公式是（720+96+180+540+1800）×2÷12=556，故選A。

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