早教吧作业答案频道 -->数学-->
几道数学计算题,0-(-64)-(+43)+(-49)-(+15)(-2)+3+6+(-3)+2+(-4)(+6.1)-(-4.3)+(+2.1)-5.73.54+(-3.72)-(-15.46)-(+5.28)(-121.3)+(-78.5)-(8又2分之1)(-121.3)(-39又19分之18)*(-15)-15*43+(-15)*21-(-15)*1
题目详情
几道数学计算题,
0-(-64)-(+43)+(-49)-(+15)
(-2)+3+6+(-3)+2+(-4)
(+6.1)-(-4.3)+(+2.1)-5.7
3.54+(-3.72)-(-15.46)-(+5.28)
(-121.3)+(-78.5)-(8又2分之1)(-121.3)
(-39又19分之18)*(-15)
-15*43+(-15)*21-(-15)*164
-1的2次方-[2-(-3)的2次方]*|1/5-1/3|/(-1/10)
全部都要写过程,写了的再加10分,
0-(-64)-(+43)+(-49)-(+15)
(-2)+3+6+(-3)+2+(-4)
(+6.1)-(-4.3)+(+2.1)-5.7
3.54+(-3.72)-(-15.46)-(+5.28)
(-121.3)+(-78.5)-(8又2分之1)(-121.3)
(-39又19分之18)*(-15)
-15*43+(-15)*21-(-15)*164
-1的2次方-[2-(-3)的2次方]*|1/5-1/3|/(-1/10)
全部都要写过程,写了的再加10分,
▼优质解答
答案和解析
1:0-(-64)-(+43)+(-49)-(+15)
=0+64-43-49-15
= 21-49-15
=6-49
=-43
(-2)+3+6+(-3)+2+(-4)
=-2+3+6-3+2-4
=1+6-7+2
=2
(+6.1)-(-4.3)+(+2.1)-5.7
=6.1+4.3+2.1-5.7
=10.4+2.1-5.7
=12.5-5.7
=6.8
3.54+(-3.72)-(-15.46)-(+5.28)
=3.54-3.72+15.46-5.28
=19-9
=10
(-39又19分之18)*(-15)
=-759/19*-15
=11385/19
-15*43+(-15)*21-(-15)*164
=-645-315+2460
=1500
-1的2次方-[2-(-3)的2次方]*|1/5-1/3|/(-1/10)
=1-(-7)*(2/15)/-0.1
=1-28/3
=-25/3
=0+64-43-49-15
= 21-49-15
=6-49
=-43
(-2)+3+6+(-3)+2+(-4)
=-2+3+6-3+2-4
=1+6-7+2
=2
(+6.1)-(-4.3)+(+2.1)-5.7
=6.1+4.3+2.1-5.7
=10.4+2.1-5.7
=12.5-5.7
=6.8
3.54+(-3.72)-(-15.46)-(+5.28)
=3.54-3.72+15.46-5.28
=19-9
=10
(-39又19分之18)*(-15)
=-759/19*-15
=11385/19
-15*43+(-15)*21-(-15)*164
=-645-315+2460
=1500
-1的2次方-[2-(-3)的2次方]*|1/5-1/3|/(-1/10)
=1-(-7)*(2/15)/-0.1
=1-28/3
=-25/3
看了 几道数学计算题,0-(-64...的网友还看了以下:
直接写得数2005-601=9÷23=1.05-0.25=0.25×0.125=1154+846= 2020-04-07 …
这个函数怎么求积分0到75度的积分?2*m*(0.15*tan(b)+a)^2/((15-100/ 2020-04-09 …
0除[(-10又2/3)x89];(+15)x5又10/11x(-89.2)x0x(-9又6/7) 2020-05-23 …
简便方法计算1、412*81+11*925+537*192、7.28-4.16+2.92-1.84 2020-07-17 …
1.0.3:12=2.0.25:4=3.2.8:0.7=4.2.1:1.2=5.0.1:0.8=6 2020-07-17 …
1.8+0.5=2.5-0.1=4.8-0.2=74+71=48+10=24÷12=68÷0.68 2020-07-18 …
为了缓解城市拥堵,某市对非居民区的公共停车场制定了不同的收费标准(见表).地区类别首小时内首小时外 2020-08-04 …
直接写出得数7.98+0.3=5-2.6=1.4×0.5=3.2÷0.16=1÷0.25=0.7×0 2020-11-19 …
直接写得数.3.86+2.4=7.6-0.56=4.5×102=3.25+2.3+1.75=361+ 2020-11-19 …
七年级数学题!2.5,-0.5,-100,-5,0,1/3,25,3.15在以上数中,是非负数的是( 2020-12-07 …