分数简便计算怎么做?(7/8+13/16)÷13/161.8×0.72+1.28×1.85×4/5÷5×4/53×17÷17÷3(4/9+2/41)×9+23÷41
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![分数简便计算怎么做?(7/8+13/16)÷13/161.8×0.72+1.28×1.85×4/5÷5×4/53×17÷17÷3(4/9+2/41)×9+23÷41](/uploads/image/z/1695196-28-6.jpg?t=%E5%88%86%E6%95%B0%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97%E6%80%8E%E4%B9%88%E5%81%9A%3F%EF%BC%887%2F8%2B13%2F16%29%C3%B713%2F161.8%C3%970.72%2B1.28%C3%971.85%C3%974%2F5%C3%B75%C3%974%2F53%C3%9717%C3%B717%C3%B73%EF%BC%884%2F9%2B2%2F41%29%C3%979%2B23%C3%B741)
分数简便计算怎么做?(7/8+13/16)÷13/161.8×0.72+1.28×1.85×4/5÷5×4/53×17÷17÷3(4/9+2/41)×9+23÷41
分数简便计算怎么做?
(7/8+13/16)÷13/16
1.8×0.72+1.28×1.8
5×4/5÷5×4/5
3×17÷17÷3
(4/9+2/41)×9+23÷41
分数简便计算怎么做?(7/8+13/16)÷13/161.8×0.72+1.28×1.85×4/5÷5×4/53×17÷17÷3(4/9+2/41)×9+23÷41
(7/8+13/16)÷13/16
=(7/8+13/16)×16/13
=7/8×16/13+13/16×16/13
=14/13+1
=27/13
1.8×0.72+1.28×1.8
=1.8×(0.72+1.28)
=1.8×2
=3.6
5×4/5×4/5
=(5÷5)×(4/5×4/5)
=16/25
3×17÷17÷3
=(3÷3)×(17÷17)
=1
(4/9+2/41)×9+23÷41
=4/9×9+2/41×9+23/41
=4+(18/41+23/41)
=4+1
=5
简便计算怎么做?
怎么做,简便计算
分数简便计算怎么做?(7/8+13/16)÷13/161.8×0.72+1.28×1.85×4/5÷5×4/53×17÷17÷3(4/9+2/41)×9+23÷41
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