初一计算绝对值的加减乘除
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初一计算绝对值的加减乘除
(1 )l -3 l x l 6.2 l (2)l - 5 l + l -2.49 l (3)11/16 — l 3/8 l
(4)l -2/3 l÷l 14/3
能不能写一写过程啊
(1 )l -3 l x l 6.2 l (2)l - 5 l + l -2.49 l (3)11/16 — l 3/8 l
(4)l -2/3 l÷l 14/3
能不能写一写过程啊
![初一计算绝对值的加减乘除](/uploads/image/z/2624506-34-6.jpg?t=%E5%88%9D%E4%B8%80%E8%AE%A1%E7%AE%97%E7%BB%9D%E5%AF%B9%E5%80%BC%E7%9A%84%E5%8A%A0%E5%87%8F%E4%B9%98%E9%99%A4)
(1 )l -3 l x l 6.2 l
=3×6.2
=18.6
2)l - 5 l + l -2.49 l
=5+2.49
=7.49
(3)11/16 — l 3/8 l
=11/16-3/8
=5/16
(4)l -2/3 l÷l 14/3
=2/3÷14/3
=1/7
=3×6.2
=18.6
2)l - 5 l + l -2.49 l
=5+2.49
=7.49
(3)11/16 — l 3/8 l
=11/16-3/8
=5/16
(4)l -2/3 l÷l 14/3
=2/3÷14/3
=1/7