递等式计算(能简便的则简便),列式计算一、递等式计算1.56×33+56×66+99×442.102×369-3693.102×45+45-3×454.37×21+79×19+79×185.23×46+23×28+77×746.30×(1836÷18+18×11)二、列式计算1.一个数
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![递等式计算(能简便的则简便),列式计算一、递等式计算1.56×33+56×66+99×442.102×369-3693.102×45+45-3×454.37×21+79×19+79×185.23×46+23×28+77×746.30×(1836÷18+18×11)二、列式计算1.一个数](/uploads/image/z/346627-19-7.jpg?t=%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97%EF%BC%88%E8%83%BD%E7%AE%80%E4%BE%BF%E7%9A%84%E5%88%99%E7%AE%80%E4%BE%BF%EF%BC%89%2C%E5%88%97%E5%BC%8F%E8%AE%A1%E7%AE%97%E4%B8%80%E3%80%81%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%971.56%C3%9733%EF%BC%8B56%C3%9766%EF%BC%8B99%C3%97442.102%C3%97369%EF%BC%8D3693.102%C3%9745%EF%BC%8B45%EF%BC%8D3%C3%97454.37%C3%9721%EF%BC%8B79%C3%9719%EF%BC%8B79%C3%97185.23%C3%9746%EF%BC%8B23%C3%9728%EF%BC%8B77%C3%97746.30%C3%97%EF%BC%881836%C3%B718%2B18%C3%9711%EF%BC%89%E4%BA%8C%E3%80%81%E5%88%97%E5%BC%8F%E8%AE%A1%E7%AE%971.%E4%B8%80%E4%B8%AA%E6%95%B0)
递等式计算(能简便的则简便),列式计算一、递等式计算1.56×33+56×66+99×442.102×369-3693.102×45+45-3×454.37×21+79×19+79×185.23×46+23×28+77×746.30×(1836÷18+18×11)二、列式计算1.一个数
递等式计算(能简便的则简便),列式计算
一、递等式计算
1.56×33+56×66+99×44
2.102×369-369
3.102×45+45-3×45
4.37×21+79×19+79×18
5.23×46+23×28+77×74
6.30×(1836÷18+18×11)
二、列式计算
1.一个数的6倍多2是74,这个数的2倍多6是多少?
2.48加上60的和,与25减去13的差相乘,积是多少?
(注:回答格式如下:
一/1.,一/2.
二/1.,二/2.
以此类推)
递等式计算(能简便的则简便),列式计算一、递等式计算1.56×33+56×66+99×442.102×369-3693.102×45+45-3×454.37×21+79×19+79×185.23×46+23×28+77×746.30×(1836÷18+18×11)二、列式计算1.一个数
爱幂仙剑
一、
1、56×33+56×66+99×44
=56×(33+66)+99×44
=56×99+99×44
=99×(56+44)
=99×100
=9900
2、102×369-369
=369×(102-1)
=369×101
=369×(100+1)
=369×100+369
=36900+369
=37269
3、102×45+45-3×45
=45×(102+1-3)
=45×100
=4500
4、37×21+79×19+79×18
=37×21+79×(19+18)
=37×21+79×37
=37×(21+79)
=37×100
=3700
5、23×46+23×28+77×74
=23×(46+28)+77×74
=23×74+77×74
=74×(23+77)
=74×100
=7400
6、30×(1836÷18+18×11)
=30×(102+198)
=30×300
=9000
二、
1、[(74-2)÷6]×2+6=30
2、(48+60)×(25-13)=108×12=1296