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99x11+102x98、25x125x36x4x8、76x25+18x25+25x6、41x37-21x37、125x3x6x8、20x96x50、12x8x25

来源:www.zuowenzhai.com    作者:编辑   日期:2024-05-17
99x11+102x98、25x125x36x4x8、76x25+18x25x6、57x28+57x72、198x98、36x99、126x8的简

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)57×28+57×72
=57×(28+72)
=57×100
=5700
(5)198×98
=(200-2)×(100-2)
=20000-200-400+4
=19404
(6)36×99
=36×(100-1)
=36×100-36×1
=3600-36
=3564
(5)126×8
=(125+1)×8
=125×8+1×8
=1000+8
=1008

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102x98
=(100+2)x98
=100x98+2x98
=9800+(100-2)x2
=9800+2x100-2x2
=9800+200-4
=10000-4
=9996

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)X3X6
=1000X18
=18000
20x96x50
=(20X50)x96
=1000x96
=96000
12x8x25
=12x2x(4x25)
=24x100
=2400


1808154369899x11+102x98、25x125x36x4x8、76x25+18x25+25x6、41x37-21x37、125x3...
安毛毕答: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)X3X6 =1000X18 =18000 ...

18081543698102X98的简便方法怎么算?
安毛毕答:102*98 =(100+2)(100-2)=100的平方-2的平方 =10000-4 =9996

1808154369825x1+25x17用简便方法怎么计算?
安毛毕答:=25x(1十17)=25x(20-2)=25x20-25x2=500-50=450

18081543698...3.5x(20.6-16.8/4.8) (2436/12+27)x30 2.9x125x2.5x8x0.4_百度知 ...
安毛毕答:23.24-(5.53+3.24)=23.24-3.24-5.53

1808154369825X11十25X89,用简便脱式计算怎么写?
安毛毕答:25×11十25x89 =25x(11十89)=25x100 =2500

18081543698102x98的简算等于多少?
安毛毕答:原式=(100+2)(100-2)=100²-2²=10000-4=9996。

18081543698102x98二(几加几)x几的简便法
安毛毕答:102x98 =(100+2)x98 =100x98+2x98 =9800+(100-2)x2 =9800+2x100-2x2 =9800+200-4 =10000-4 =9996

1808154369834x口=25x口,8x(125十7O)=8x口十8x口,102x98=(口十口)X口,13x4x_百度...
安毛毕答:34x25=25x34,8x(125十7O)=8x125十8x70,102x98=(100十2)X98,13x4x25=13x(4x25),1200÷25÷4=1200÷(25x4)。

18081543698102x98=(几十几)x几
安毛毕答:(100+2) x98 =100x98+2x98 =9800+196 =9996

180815436982X9X25X11简便方法怎么做?
安毛毕答:2x9x25x11 =2x25x9x11 =50x99 =50x100-50 =5000-50 =4950 以上就是简便方法。


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