99x64简便运算

4.75X64+47.5X64简便运简4.75X64+47.5X64=(4.75+47.5)X64=52.25X64=50x64+2.25x64=3200+2.25x4x4x4=3200+9x16=33444.75X64+47.5X64=(

125x64简便计算 

125x64的简便计算125×64＝(125×8)×8＝1000×8＝8000125x8x8＝8000=125x8x8=1000x8=8000~期望您的采纳~~谢谢~o(︶︿︶)o

125x64用简便算125×8×8＝8000

125X64用两种简便方法计算

1.25x0.25x0.05x64简便计算1.25x0.25x0.05x64=1.25x0.25x0.05x8×8=1.25x8x0.25x(0.05x8)=10x0.25x0.4=2.5x0.4=1

125x64的简便算法（两种）125×64=125×8×8=1000×8=8000125×64=25×5×4×16=（25×4）×（5×16）=100×80=8000125×（8×8）=（125×8）×8=1000×8=8000

简便计算:960+16x0.64+9.84x64960+16x0.64+9.84x64＝960+0.16x64+9.84x64＝960＋10×64＝960＋640＝1600原式=960+(9.84+0.16)*64=960+640=1600

简便计算:960+16x0.64+9.84x64960+1.6x6.4+98.4x6.4=960+100x6.4=1600960+16x0.64+9.84x64=960+0.16*64+9.84*64=960+10*64=960+640=1

99*26简便运算99*26=（100-1）*26=2600-26=2574100*26-26=257499*26=(100-1)*26=100*26-26=2600-26=257499*26=26*（100-1）=2600-26=2500

简便运算2.73×99 

0.79×99简便运算0.79×99=0.79X（100-1）=0.79X100-0.79=78.21希望对你有所帮助，望采纳

27×99简便运算27×99=27X（100-27）=27X100-27=2700-27=267349＋49×49=49X（1+49）=49X50=245039×101－39=39X（101-1）=39X100=390099×64＋64=6

219*99简便运算219*99＝219*（100-1）＝21900-219＝21681219*99=219*(100-1)=219*100-219=21900-219=21681

99×41简便运算99×41=(100-1)×41=100×41-41=4100-41=4059

71*99简便运算高手来简便运算71*99=71*(100-1)=71*100-71=7100-71=702971*（100-1）=7100-71=702371*(100-1)=7100-71=702971*99=71*(100-1)=71

99*47+99简便运算99*47+99=（100-1）*47+100-1=4700-47+100-1=4800-48=4752=99*（47+1）=(100-1)*48=4800-48=4752x急急急

99*99有木有简便运算?99*99=99*(100-1)=99*100-99=9900-99=980199x99=99x(100-1)=9900-99=980199*99=99X(100-1)=99X100-99X1=9900-99=98

99*58+58简便运算99×58+58=（99+1）×58=100×58=5800小朋友要多思考哦~这个公式知道吗?A×B+C×B=(A+C)×B

简便运算3.78×99+3.783.78×99+3.78=3.78×（99+1）=3.78×100=3783.78*(1+99)=378提取公因式3.78上式=（1+99）*3.78=3783.78×99+3.78=3.78×99+3.78