早教吧作业答案频道 -->其他-->
脱式计算,怎样算简便就怎样算.153÷17+32×6812÷(532-36×14)83×29+17×2999×64245-148-52350÷42.
题目详情
脱式计算,怎样算简便就怎样算.
153÷17+32×6 | 812÷(532-36×14) | 83×29+17×29 |
99×64 | 245-148-52 | 350÷42. |
▼优质解答
答案和解析
(1)153÷17+32×6,
=9+192,
=201;
(2)812÷(532-36×14),
=812÷(532-504),
=812÷28,
=29;
(3)83×29+17×29,
=(83+17)×29,
=100×29,
=2900;
(4)99×64,
=(100-1)×64,
=100×64-1×64,
=6400-64,
=6336;
(5)245-148-52,
=245-(148+52),
=245-200,
=45;
(6)350÷42,
=350÷(7×6),
=350÷7÷6,
=50÷6,
=8
.
=9+192,
=201;
(2)812÷(532-36×14),
=812÷(532-504),
=812÷28,
=29;
(3)83×29+17×29,
=(83+17)×29,
=100×29,
=2900;
(4)99×64,
=(100-1)×64,
=100×64-1×64,
=6400-64,
=6336;
(5)245-148-52,
=245-(148+52),
=245-200,
=45;
(6)350÷42,
=350÷(7×6),
=350÷7÷6,
=50÷6,
=8
1 |
3 |
看了 脱式计算,怎样算简便就怎样算...的网友还看了以下:
23+19=640-450=96÷3=44+49=80÷8=99÷9=84÷4=85+28=7.3 2020-04-07 …
递等式计算,能简算的就简算.(1)18.23-8.39+11.77(2)0.539+12.25-0 2020-04-07 …
excel 区域内数字统计如何统计下面这组数据:A B C D E F G H I1 6 9 12 2020-05-16 …
一、已知A=x²-5x,B=x²-10x+5,C=10-15x,求A+2B-C的值.二、先阅读下面 2020-05-22 …
7除以9分之7减去9分之7除以7简便运算方式怎么做 2020-06-02 …
已知根号7=a,根号70=b,用含a,b的代数式表示根号4.9,甲乙两同学有以下两种解法甲:根号4 2020-06-06 …
脱式计算,能简算的要简算1.(1+1/6)×(1+1/7)×(1+1/8)×(1+1/9)×... 2020-07-18 …
1.9分之2乘4分之3+4分之1乘9分之22.7分之5乘9分之7-9分之5乘263.(6分之5-8 2020-07-19 …
9-6y-4y2=7那么-6y-4y2=7-9即-6y-4y2=-2也就是6y+4y2=2,那么9- 2020-11-27 …
1.若m,n互为相反数,则下面结论错误的是()A2m+2n=0Bmn=-㎡m的绝对值=n的绝对值n分 2020-12-01 …