题目内容
220+240+260+280+300=______×______=______
147+148+149+150+151+152+153=______×______=______.
147+148+149+150+151+152+153=______×______=______.
(1)220+240+260+280+300
=260×5
=1300;
(2)147+148+149+150+151+152+153
=150×7
=1050.
故答案为:260,5,1300;150,7,1050.
=260×5
=1300;
(2)147+148+149+150+151+152+153
=150×7
=1050.
故答案为:260,5,1300;150,7,1050.
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