Question

666×3点3+26点6×67等于多少更改因数的小数点位置

666×3点3+26点6×67等于多少更改因数的小数点位置

Answer 1

666x3.3+26.6x67
=（400+266)x3.3+266x6.7
=400x3.3+266x3.3+266x6.7
=1320+266x(3.3+6.7)
=1320+266x10
=1320+2660
=3980
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Answer 2

666×3.3+26.6×67
=66.6×33+26.6×67
=40×33+26.6×33+26.6×67
=1320+26.6×（型物搜卜历33+67）蚂枯
=1320+26.6×100
=1320+2660
=3980