早教吧作业答案频道 -->其他-->
脱式计算.6.5+7.2÷1.8-4.5=5.6×12.5×0.8=70.8-5.25-4.75=1.82÷0.13×0.7=8÷[(9-8.89)×2.5]=0.65×7.8+0.35×7.8=
题目详情
脱式计算.
6.5+7.2÷1.8-4.5= | 5.6×12.5×0.8= | 70.8-5.25-4.75= |
1.82÷0.13×0.7= | 8÷[(9-8.89)×2.5]= | 0.65×7.8+0.35×7.8= |
▼优质解答
答案和解析
(1)6.5+7.2÷1.8-4.5
=6.5+4-4.5
=10.5-4.5
=6;
(2)5.6×12.5×0.8
=5.6×(12.5×0.8)
=5.6×10
=56;
(3)70.8-5.25-4.75
=70.8-(5.25+4.75)
=70.8-10
=60.8;
(4)1.82÷0.13×0.7
=14×0.7
=9.8;
(5)8÷[(9-8.89)×2.5]
=8÷[0.11×2.5]
=8÷0.275
=
;
(6)0.65×7.8+0.35×7.8
=(0.65+0.35)×7.8
=1×7.8
=7.8.
=6.5+4-4.5
=10.5-4.5
=6;
(2)5.6×12.5×0.8
=5.6×(12.5×0.8)
=5.6×10
=56;
(3)70.8-5.25-4.75
=70.8-(5.25+4.75)
=70.8-10
=60.8;
(4)1.82÷0.13×0.7
=14×0.7
=9.8;
(5)8÷[(9-8.89)×2.5]
=8÷[0.11×2.5]
=8÷0.275
=
320 |
11 |
(6)0.65×7.8+0.35×7.8
=(0.65+0.35)×7.8
=1×7.8
=7.8.
看了 脱式计算.6.5+7.2÷1...的网友还看了以下:
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 …
别解释了我会做只是不想写.11又5/13-(10/17+2又5/13)解方程x-5/6=1/3解方 2020-07-17 …
口算:5.6+3.4=10-2.7=2.8+3.3=1.2×0.8=10÷2.5=8×1.25=3 2020-07-19 …
已知函数f(x)是二次函数,且它的图像过点(0,2),f(3)=14,f(-√2)=8+5√2,求 2020-07-22 …
根式计算化简1、(1/x^2-3x+2)+(1/x^2-x)+(1/x^2+x)+(1/x^2+3 2020-07-30 …
第一题:小超:能求出想x^2+6x-5的最小值吗?如果能,其最小值为多少?小强:能.因为x^2+6 2020-08-01 …
必修I·指数函数部分化简[1+2^(1/8)][1+2^(1/4)][1+2^(1/2)]快+好者 2020-08-02 …
5x^2+16x+12=12x^2-29x+15=12x^2-25xy+12y^2=20a^2+42 2020-10-31 …
(1.2+1.5+2.3)×(3.1+1.5+2.3)+(2.4+1.5+2.3)×(1.9+1.5 2020-11-16 …
直接写出得数9+7.8-3.8=5÷2×0.8=0.7+0.4×1.5=2.4-2.4÷1.2=0. 2020-11-19 …