84连续减4,84,80怎么算的
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84,.............4x21=84
80,.............4x20=80
76,.............4x19=76
72,.............4x18=72
68,.............4x17=68
64,,.............4x16=64
60,.............4x15=60
56,.............4x14=56
52,.............4x13=52
48,.............4x12=48
44,.............4x11=44
40,.............4x10=40
36,.............4x9=36
32,.............4x8=32
28,.............4x7=28
24,.............4x6=24
20,.............4x5=20
16,.............4x4=16
12,.............4x3=12
8,.............4x2=8
4.............4x1=4
谢谢,请采纳
80,.............4x20=80
76,.............4x19=76
72,.............4x18=72
68,.............4x17=68
64,,.............4x16=64
60,.............4x15=60
56,.............4x14=56
52,.............4x13=52
48,.............4x12=48
44,.............4x11=44
40,.............4x10=40
36,.............4x9=36
32,.............4x8=32
28,.............4x7=28
24,.............4x6=24
20,.............4x5=20
16,.............4x4=16
12,.............4x3=12
8,.............4x2=8
4.............4x1=4
谢谢,请采纳
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