小学五年级数学列式计算题100道.
发布时间:2025-10-08 | 来源:互联网转载和整理
(1)36*111+888*8
=36*111+8*111*8
=36*111+111*64
=111*(36+64)
=111*100
=11100
(2)32*165-16*64*2-32
=32*165-(16*2)*64-32
=32*165-32*64-32*1
=32*(165-64-1)
=32*100
=3200
(3)9999×2222+3333×3334
=3333×(3×2222)+3333×3334
=3333×6666+3333×3334
=3333×(6666+3334)
=3333×10000
=33330000
(4)1+2-3-4+5+6-7-8+……1977+1978-1979-1980+1981
=(1+2-3-4)+(5+6-7-8)+....+(1977+1978-1979-1980)+1981
=-4-4-....-4+1981
=-4×495+1981
=1
(5)6.3×(14.8-6.5)+46.5×(4.5+5.5)+8.3×3.7
=6.3×8.3+46.5×10+8.3×3.7
=8.3×(3.7+6.3)+465
=8.3×10+465
=83+465
=548
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