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99x11的简便方法计算

99×11 =(100-1)×11 =1100-11 =1089

99x11 =(100-1)x11 =100x11-11 =1100-11 =1089

简便运算

1809,教你方法!前十后满法,比如9X(1+1) 1X9,把两个数和起来就是18 09=1809!!其他一样!!

=112×99+112×1 =112×(99+1) =112×100 =11200

99×11+11=(99+1)×11=100×11=1100

您好, (1)99×11+102×98 =(100-1)×11+(100+2)×(100-2) =100×11-1×11+100×100-2×2 =1100-11+10000-4 =11083 (2)25×125×36×4×8 =(25×4)×(125×8)×36 =100×1000×36 =3600000 (3)76×25+18×25×6 =19×100+27×100 =1900+2700 =4600 (4...

99x11+33x67怎么简算 99x11+33x67 =33*33+33*67 =33*(33+67) =33*100 =3300

99x11+102x98 =100X11-11+100X98+2X98 =1100+9800+196-11 =10900+185 =11085 25x125x36x4x8 =(25X4)X(125X8)X36 =100X1000X36 =3600000 76x25+18x25+25x6 =25X(76+18+6) =25X100 =2500 41x37-21x37 =37X(41-21) =37X20 =740 125x3x6x8 =(125X8)...

99x11+33x67怎么简算 99x11+33x67 =33*33+33*67 =33*(33+67) =33*100 =3300

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