198乘36的简便计算怎么做?

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198乘36的简便计算怎么做?
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198乘36的简便计算怎么做?
198乘36的简便计算怎么做?

198乘36的简便计算怎么做?
198x36
=(200-2)x36
=200x36-2x36
=7200-72
=7128

198*36
=(200-2)*36
=200*36-2*36
=7200-72
=7128

200×36-2×36

198x36
=(200-2)x36
=200x36-2x36
=7200-72
=7128

(200—2)*36=7200_72=7128

198*36=(200-2)*36=36*200-2*36=7200-72=7128