5.1/1.7+2.6*6 9.99/3.7/6 1.2*[0.8/(1-0.98)] 6/[11.1-(9.1-3)] 以上题目用简便计算怎么算?
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5.1/1.7+2.6*69.99/3.7/61.2*[0.8/(1-0.98)]6/[11.1-(9.1-3)]以上题目用简便计算怎么算?5.1/1.7+2.6*69.99/3.7/61.2*[0.
5.1/1.7+2.6*6 9.99/3.7/6 1.2*[0.8/(1-0.98)] 6/[11.1-(9.1-3)] 以上题目用简便计算怎么算?
5.1/1.7+2.6*6 9.99/3.7/6 1.2*[0.8/(1-0.98)] 6/[11.1-(9.1-3)] 以上题目用简便计算怎么算?
5.1/1.7+2.6*6 9.99/3.7/6 1.2*[0.8/(1-0.98)] 6/[11.1-(9.1-3)] 以上题目用简便计算怎么算?
5.1/1.7+2.6*6
=3+15.6
=18.6
9.99/3.7/6
=3*3*1.11/(3.7*6)
=9/6*1.11/3.7
=1.5*0.3
=0.45
1.2*[0.8/(1-0.98)]
=1.2*0.8/0.02
=1.2*40
=48
6/[11.1-(9.1-3)]
=6/(11.1-9.1+3)
=6/(2+3)
=1.2
5.1/1.7+2.6*6 9.99/3.7/6 1.2*[0.8/(1-0.98)] 6/[11.1-(9.1-3)] 以上题目用简便计算怎么算?
5.1:1.7的比值足足3:1.
1+1+2+3+4+5+6+7+8+9.99?
3+6+9.99=( )x( )=( )
5.1/4x=1.7
(8.6*7.5*5.1)/(2.5*4.3*1.7) 湘麓教科书上的6年级的.快.急
求文档:用简便计算(5.1×9.3×7.8)÷〔1.7×3.1×2.6〕用简便计算0.1+0.2+0.3.+5.6+5.7
1.(1+2.3+3.4)*(2.3+3.4+6.5)-(1+2.3+3.4+6.5)*(2.3+3.4)2.8.8-0.8*8.8-0.83.(2.8-2.8*0.6)/(0.6+0.52)4.(6.2*1.25+1.25*2.6)/2.25.(1.25*2.7*5.1)/(8.1*0.25*1.7)6.(0.8*0.6/1.2)/0.257 [0.35/(3.74-3.24)/0.4]*0.288 3.7-3*0
2.6X-1.7X+0.3=3解方程一定要详细
1.9x-3*15=32.4 2.6.2*1.7-5x=31.4用方程解,
1.7*57+5.1*81怎么简算?
6x-2(3-x)=1.7
0.386*(4.82+5.7+5.1+2.3)/3.86怎样简算?还有9*3-1.7=13.4解方程.是9×3-1.7X=13.4
4(x-9)=8 0.3×5+3x=4.5 9×3-1.7x=13.4 126÷x=42 96÷64(x-9)=80.3×5+3x=4.59×3-1.7x=13.4126÷x=4296÷6+4x=56(x-3)÷2=7.54x-3×9=297(5x+6)=918(x-6.2)=41.613(x+5)=1694.2×3-3x=5.1请写在纸上
巧算:6.66乘1.3加3.33乘4.4加9.99
2.3+3分之17+6+1.7+3分之4+3
(5)8.6×2.7+3.5×1.6 (6)(0.19×5.4+2.6×0.19)×12.5 (7)9.99×2.22+3.34×3.33(8)1.2除4.2的商,再加5与6.02的积,和是多少?多简便运算
(1.7X-5.1)÷2=8.5解方程