9+199+299+3999+49999+599999=?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/04 21:53:21
9+199+299+3999+49999+599999=?

9+199+299+3999+49999+599999=?
9+199+299+3999+49999+599999=?

9+199+299+3999+49999+599999=?
9+199+299+3999+49999+599999
=10+200+300+4000+50000+600000-6
=654510-6
=654504

9+199+299+3999+49999+599999=
10+200+300+4000+50000+600000-6
=654510-6
=654504
如有不明白,可以追问!!
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原式=10+200+300+4000+50000+600000-6=654510-6=654504

654510-6

=10+200+300+4000+50000+600000-6=654510-6=654504

600000-1 50000-1 4000-1 300-1 20-1 =600000 50000 4000 300 20-5 =654320-5 =654315