7837加2437简便计算,7837十2437二10274。
7837+2437
=7800+2400+37×2
=10200+74
=10274
7837+2437
=7840-3+2440-3
=7840+2440-6
=10280-6
=10274
标签:简便
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7837加2437简便计算,7837十2437二10274。
7837+2437
=7800+2400+37×2
=10200+74
=10274
7837+2437
=7840-3+2440-3
=7840+2440-6
=10280-6
=10274
标签:简便