(1)(33221-332.21)÷(66442-664.42)(2)(2002002+200.2002)÷(8008008+800.8008)(3) (1234+123.4-12.34)-(2468+246.8-24.68)简便算法,如:(44332-443.32)÷(88664-886.64)=(44332-443.32

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 11:33:44

(1)(33221-332.21)÷(66442-664.42)(2)(2002002+200.2002)÷(8008008+800.8008)(3) (1234+123.4-12.34)-(2468+246.8-24.68)简便算法,如:(44332-443.32)÷(88664-886.64)=(44332-443.32
(1)(33221-332.21)÷(66442-664.42)
(2)(2002002+200.2002)÷(8008008+800.8008)
(3) (1234+123.4-12.34)-(2468+246.8-24.68)
简便算法,如:
(44332-443.32)÷(88664-886.64)
=(44332-443.32)÷[(44332-443.32)×2]
=(44332-443.32)÷(44332-443.32)÷2
= 1÷2
= 0.5
快,

(1)(33221-332.21)÷(66442-664.42)(2)(2002002+200.2002)÷(8008008+800.8008)(3) (1234+123.4-12.34)-(2468+246.8-24.68)简便算法,如:(44332-443.32)÷(88664-886.64)=(44332-443.32
(33221-332.21)÷(66442-664.42)
=(33221-332.21)÷2(33221-332.21)
=0.5
(2002002+200.2002)÷(8008008+800.8008)
=(2002002+200.2002)÷4(2002002+200.2002)
=0.25

速度

(33221-332.21)÷(66442-664.42)
=33221(1-0.01)/66442(1-0.01)
=33221/66442
=33221/33221*2
=1/2
=0.5
(2002002+200.2002)÷(8008008+800.8008)
=2002002(1+0.0001)/8008008(1+0.0001)<...

全部展开

(33221-332.21)÷(66442-664.42)
=33221(1-0.01)/66442(1-0.01)
=33221/66442
=33221/33221*2
=1/2
=0.5
(2002002+200.2002)÷(8008008+800.8008)
=2002002(1+0.0001)/8008008(1+0.0001)
=2002002/2002002*4
=1/4
=0.25
(1234+123.4-12.34)-(2468+246.8-24.68)
=1234(1+0.1-0.01)/2468(1+0.1-0.01)
=1234/1234*2
=1/2
=0.5

收起

(1)(33221-332.21)÷(66442-664.42)
=(33221-332.21)÷[(33221-332.21)×2]
=(33221-332.21)÷(33221-332.21)÷2
=1÷2
=0.5
(2)(2002002+200.2002)÷(8008008+800.8008)
=(2002002+200.2002)÷(2...

全部展开

(1)(33221-332.21)÷(66442-664.42)
=(33221-332.21)÷[(33221-332.21)×2]
=(33221-332.21)÷(33221-332.21)÷2
=1÷2
=0.5
(2)(2002002+200.2002)÷(8008008+800.8008)
=(2002002+200.2002)÷(2002002+200.2002)÷4
=0.25
(3) (1234+123.4-12.34)-(2468+246.8-24.68)
=(1234+123.4-12.34)—(1234+123.4-12.34)*2
=—(1234+123.4-12.34)
=—1345.06

收起

(33221-332.21)÷(66442-664.42)
=(33221-332.21)÷[(33221-332.21)×2]
=(33221-332.21)÷(33221-332.21)÷2
=1÷2
=0.5

(33221-332.21)÷(66442-664.42)
=33221(1-0.01)/66442(1-0.01)
=33221/66442
=33221/33221*2
=1/2
=0.5
(2002002+200.2002)÷(8008008+800.8008)
=2002002(1+0.0001)/8008008(1+0.0001)<...

全部展开

(33221-332.21)÷(66442-664.42)
=33221(1-0.01)/66442(1-0.01)
=33221/66442
=33221/33221*2
=1/2
=0.5
(2002002+200.2002)÷(8008008+800.8008)
=2002002(1+0.0001)/8008008(1+0.0001)
=2002002/2002002*4
=1/4
=0.25
(1234+123.4-12.34)-(2468+246.8-24.68)
=1234(1+0.1-0.01)/2468(1+0.1-0.01)
=1234/1234*2
=1/2
=0.5

收起

(1)(33221-332.21)÷(66442-664.42)(2)(2002002+200.2002)÷(8008008+800.8008)(3) (1234+123.4-12.34)-(2468+246.8-24.68)简便算法,如:(44332-443.32)÷(88664-886.64)=(44332-443.32 (33221-332.21)➗(66442-664.42)简便计算 33221-332.21/66442-664.42的简便方法计算 0.25÷(-2/3)×(-8/5) 1/6÷(-3/7)×(-1-1/5) 18×(-40.25÷(-2/3)×(-8/5) 1/6÷(-3/7)×(-1-1/5) 18×(-4/3)-(-2)×(7/3) 1+9÷(1+5-6)等于多少 1÷(0.5x-1)=6 -5+6÷1(-2)×1分之3 6(√0.5-3√2÷3)-(4√1÷8-√72)(2÷3),(1÷8) 1.-3-[-5+(1-0.2×3/5)÷(-2)]2.-9²+2×(-3)²+(-6)÷(-2/3)3.-1四次方-(1-0.5)×1/3×[2-(-3)²]4.(-3)²-(1又1/2)×2/9-6÷|-2/3|5.32×(-2/3)+(-11) 100高分提问有理数除法 做对了再+50分急用1.-1÷(-1/10)÷(+1/100)÷(-1/2004)= 2.(-81)÷2又1/4 +4/9÷(-16)= 3.(-5)÷(-7/25)+(-7)÷(-7/25)+(-12)÷(-7/25) 4.-1/42÷(1/6-2/7+ (1).-2³+(3-6)²-8×(-1)四次方(2).(-3)³÷24分之1×(-3分之2)²+4-2 ²×(-3分之1)(3).(-5)÷(-1又7分之2)×0.8×(-2.25)÷7 3x+(x-1)÷2=3-(2x-1)÷3 (3y-1)÷4=(5y-7)÷6 n(n-1)(n-2)÷6等于多少? 几道计算题求速度(1)-9×(-11)-96÷(-8)(2)7-(3/8+1/6-3/4)×24(3)-1的100次方-(1/6-2/5)÷1又3/4×[(-7)的平方-(-11)] (3+3/4÷3/4+3)-7×1/6÷7÷1/6简算 [1/24÷(-1有1/4)]×(-5/6)÷(3有1/6)-0.25÷1/1=------要写过程 (-3)÷[(-2/5)÷(-1/4)] 0÷(-8) (-6.5)÷0.13 (-6/5)÷(-2/5)