怎样简便怎样算216+64×42÷28 87×26-26×37 4700÷25÷48.29+3.7+0.71+6.3 125×32×25 9-1.45+3.75
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 03:42:37
怎样简便怎样算216+64×42÷2887×26-26×374700÷25÷48.29+3.7+0.71+6.3125×32×259-1.45+3.75怎样简便怎样算216+64×42÷2887×26
怎样简便怎样算216+64×42÷28 87×26-26×37 4700÷25÷48.29+3.7+0.71+6.3 125×32×25 9-1.45+3.75
怎样简便怎样算
216+64×42÷28 87×26-26×37 4700÷25÷4
8.29+3.7+0.71+6.3 125×32×25 9-1.45+3.75
怎样简便怎样算216+64×42÷28 87×26-26×37 4700÷25÷48.29+3.7+0.71+6.3 125×32×25 9-1.45+3.75
216+64×42÷28
=216+16×4×7×6÷4÷7
=216+16×6
=312
87×26-26×37
=26×(87-37)
=26×50
=1300
4700÷25÷4
=4700÷(25×4)
=4700÷100
=47
8.29+3.7+0.71+6.3
=8.29+0.71+3.7+6.3
=9+10
=19
125×32×25
=125×8×4×25
=1000×100
=100000
9-1.45+3.75
=9-1+3-0.45+0.75
=12.3
4700÷25÷4 87×26-26×37
=4700÷100 =26×(87-26)
= 4700÷(25×4) =26×41
=47