1-6年级数学【简便计算】寒假专项练习题

1-6年级数学【简便计算】寒假专项练习题


简介:
488+40+60 =488+(40+60) =488+100 =588 528-65-35 =528-(65+35) =528-100 =428 528-89-128 =528-128-89 =400-89 =311 3200÷4÷25 =3200÷(4×25) =3200÷100 =32 256-58+44 =256+44-58 =300-58 =242 528-(150+128) =528-128-150 =400-150 =250 25×56×4 =25×4×56 =100×56 =5600 99×125×8 =99×(125×8) =99×1000 =99000 250÷8×4 =250×4÷8 =1000÷8 =125 25×(40+4) =25×40+25×4 =1000+100 =1100