(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
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![(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)](/uploads/image/z/10347396-60-6.jpg?t=%28-16%29%2A21%2F4-%28-4%29%2A%28-21%2F2%29%2A%28-1%29%2B%28-8%29%2A%28-12%29%2A%28-0.125%29)
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(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
=-4*21+2*21-12
=(-4+2)*21-12
=-2*21-12
=-42-12
=-54
16/21/((4/7+2/9)*16/21)(简算)
(-16)*21/4-(-4)*(-21/2)*(-1)+(-8)*(-12)*(-0.125)
4-21分之5-21分之16 脱式
5/14÷4/21×16/25
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()÷4=37.5%=()分之21=():16
7/5-16/3-21/4 用脱式计算怎么做
7分之3×4分之3×(16×21)
16/3×7/6÷21/4=多少
21,16,18,8,15,4( ),( )方框里填什么?