简便计算
第1个回答 2018-03-03
1000x32÷125x25
=1000x32÷(125÷25)
=1000x32÷5
=1000÷5x32
=200x32
=6400
406x312÷104
=406÷203x312÷104
=2x312÷104
=2x(312÷104)
=2x3
=6
(720+96)÷24
=720÷24+96÷24
=30+4
=34
(4500-90)÷45
=4500÷45-90÷45
=100-2
=98
=1000x32÷(125÷25)
=1000x32÷5
=1000÷5x32
=200x32
=6400
406x312÷104
=406÷203x312÷104
=2x312÷104
=2x(312÷104)
=2x3
=6
(720+96)÷24
=720÷24+96÷24
=30+4
=34
(4500-90)÷45
=4500÷45-90÷45
=100-2
=98
