202×8.5
=(200+2)×8.5
=200×8.5+2×8.5
=1700+17
1717
24×1.3×5
=24×5×(1+0.3)
=120×1+120×0.3
=120+36
=156
202x8.5的簡便運算 24x1.3x5的簡便運算
202x8.5的簡便運算 24x1.3x5的簡便運算
數(shù)學人氣:660 ℃時間:2020-08-01 10:42:59
優(yōu)質(zhì)解答
我來回答
類似推薦
- 5×76+5×24×5的簡便計算運算方法
- 78×77分之5 計算能簡便的簡便
- 若n為正整數(shù),觀察下列各式: ①1/1×3=1/2(1?1/3);②1/3×5=1/2(1/3?1/5);③1/5×7=1/2(1/5?1/7)… 根據(jù)觀察計算并填空: (1)1/1×3+1/3×5+1/5×7=_ (2)1/1×3+1/3
- 1/1x3+1/3x5+1/5x7+.+1/1997x1999 簡便計算.
- 簡便計算 5又7分之3×0.5÷5又7分之3×0.5
- 函數(shù)f(x)=sinx-cosx^2的最小值是?
- 英語翻譯
- I took my grandpa to the hospital this morning,_____ I missed the first class.
- So crazy
- 方差是各個數(shù)據(jù)與平均數(shù)之差的平方的平均數(shù)
- 函數(shù)y=f(x)與它反函數(shù)y=f^-1(x)怎么讀?
- These are photos of my families.Look at them 改錯
猜你喜歡
- 1平面與平面重合,是否屬于平行一類?那重合的兩直線,也屬于平行一類的嗎?
- 2非洲每年因饑餓死亡的人數(shù)及現(xiàn)在饑餓人口數(shù)量拜托各位了 3Q
- 3decide to do sth.還=什么
- 4(7/8)o you think of london?B:5.____london is one of the liveliest cities
- 5啤酒可以托運嗎
- 6邊長為2√6的等邊三角形的中心到一邊的距離為?
- 7please give your hand to help me
- 8已知2的X次方等于3的Y次方等于6的Z次方不等等于1,證明X分之一加Y分之一等于Z分之一.
- 9幫我做做?
- 10機械分析天平TG628A的使用說明書
- 11in winter ,we wear warm coats to protect our bodies_.
- 12( )was most importance to her ,she told me,was her family it this what as