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48乘以99加1的简便运算

48*(99+1)=48x100

48*99+1=48*(100-1)+1=48*100-48*1+1=4800-48+1=4752+1=4753

48*(99+1)=48*100=4800

48乘99简便脱式计算原式=48*99=48*(99+1-1)=48*100-48=4800-48=4752

99*48 =(100-1)*48 =100*48-48 =4800-48 =4752.

48*99+48=48*(99+1)=48*100=4800

48*(100-1)+48=48*100=4800

四十八乘以九十九的简便算式=48x(100-1)=4800-48=4752

解:48*99=48*(100-1)=4800-48=475225*(40+4)=25*40+25*4=1000+100=110045*99+45=45*(99+1)=45*100=450045*99=45*(100-1)=4500-45=445536*101-36=36*(101-1)=36*100=360036*101=36*(100+1)=36*100+36=3600+36=3636 可以吧,看咱采纳率……

=48x100-48x5+1=4800-240+1=4561

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