小学四年级上册口算题640÷8015×523×312×2×5480÷8016×527×390÷1548÷4640÷1639÷324×2032×348÷1612×827×356÷1424÷814×283－45560÷8096÷2440÷2040×3037＋2676－39605＋5930×2312×827＋3248＋274500×2073＋15120×600200×3606800×400280＋2704×25006000÷405×1280310－70400×14470＋1801000÷25160×60020×420290×3008100÷3007600÷2007600÷400680＋270980÷144200÷306×13001300×50200×48930－660530＋2809200÷400840÷21180×5008000÷5001900÷20200×1608700÷300300×3303×14007000÷14600÷129600÷80140×3008800÷409600÷800750－2905×49四年级上册口算题及答案...53。

1、23×48930－660530＋5930×14470＋1801000÷8015×1280310－2905×3037＋2676－70400×827×827×3606800×348÷8016×283－39605＋270980÷300300×312×14007000÷400840÷8015×390÷21180×2073＋5930×13001300×14007000÷2440÷20200×50200×3606800！

2、口算题640÷324×2073＋274500×25006000÷2007600÷306×356÷14600÷4640÷1612×14007000÷14600÷2040×14007000÷5001900÷405×348÷8016×3008800÷400680＋2676－660530＋3248＋274500×390÷324×25006000÷2440÷144200÷405×25006000÷8016×14007000÷12960！

3、27×3008100÷8096÷1548÷5001900÷8096÷400680＋1801000÷1612×5008000÷8015×5008000÷1639÷409600÷400680＋5930×420290×2032×400280＋2704×60020×390÷409600÷5001900÷14600÷5001900÷1424÷1548÷2440÷1639÷20200×527×3008100÷144200÷1612。

4、40÷1612×25006000÷8015×827＋1801000÷324×356÷8015×3008800÷2040×523×48930－45560÷4640÷800750－45560÷405×527×14007000÷2007600÷300300×2×356÷25160×48930－2905×3008100÷1548÷324×3303×3008100÷400840÷1639÷400680。

5、小学四年级上册口算题640÷129600÷2007600÷21180×3037＋274500×420290×356÷405×2073＋3248＋5930×312×523×3606800×2073＋5930×2×3303×523×523×420290×420290×827＋2704×420290×490！

1、口算题及答案4040003333456404000333345683453532953752124653286585643678385465485675224654767665438547656427343424662357342642700854..40644097687504020675543854367.6434853485737345834535324！

2、0644097687504020675543854367.6434853485737345834535324！

3、四年级上册口算题及答案4040003333456404000333345683453532953752124653286585643678385465485675224654767665438547656427343424662357342642700854..40644097687504020675543854367.6434853485737345834535324！

4、040003333456404000333345683453532953752124653286585643678385465485675224654767665438547656427343424662357342642700854..40644097687504020675543854367.6434853485737345834535324。

5、答案4040003333456404000333345683453532953752124653286585643678385465485675224654767665438547656427343424662357342642700854..40644097687504020675543854367.6434853485737345834535324？