
计算下面各题.450÷9+2×14 180÷2-210÷7 63+81×3÷9 355÷5-360÷12
计算下面各题.450÷9+2×14180÷2-210÷763+81×3÷9355÷5-360÷12....
计算下面各题.450÷9+2×14 180÷2-210÷7 63+81×3÷9 355÷5-360÷12.
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(1)450÷9+2×14
=50+28
=78
(2)180÷2-210÷7
=90-30
=60
(3)63+81×3÷9
=63+243÷9
=63+27
=90
(4)355÷5-360÷12
=71-30
=41
=50+28
=78
(2)180÷2-210÷7
=90-30
=60
(3)63+81×3÷9
=63+243÷9
=63+27
=90
(4)355÷5-360÷12
=71-30
=41
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