1.76加2.83加02,七点零一乘以二又八分之三加1.99乘以2.375加二又八分之七
1.76加2.83加02目录

1.76x8 2.2x0.8x2
=1.76*8 2.2*2*0.1*8
=1.76*8 0.44*8
=8*(1.76 0.44)
=8*(2 0.2)
=16 1.6
=17.6

7.01×2又3/8 1.99×2.375 2又7/8
=(7.01 1.99 1)×2.375 1/2
=10×2.375 0.5
=23.75 0.5
=24.25

3因为2001的2002次方末尾是12002的末尾是2486而2001/4=500余一所以是2所以2 1=3