数学 简便运算和方程
能简算的要简算0.38+9.6÷3.2.×5.426.7-0.5×0.5-0.755.5×17.3+6.7×5.5168.1÷(4.3×2-0.4)解方程5.1X-3.5...
能简算的要简算
0.38+9.6÷3.2.×5.4 26.7-0.5×0.5-0.75
5.5×17.3+6.7×5.5 168.1÷(4.3×2-0.4)
解方程
5.1X-3.5X=0.8 (X+1.25)÷1.5=4 展开
0.38+9.6÷3.2.×5.4 26.7-0.5×0.5-0.75
5.5×17.3+6.7×5.5 168.1÷(4.3×2-0.4)
解方程
5.1X-3.5X=0.8 (X+1.25)÷1.5=4 展开
展开全部
0.38+9.6÷3.2.×5.4
=0.38+3*5.4
=0.38+16.2
=16.58
26.7-0.5×0.5-0.75
=26.7-(0.25+0.75)
=26.7-1
=25.7
5.5×17.3+6.7×5.5
=5.5*(17.3+6.7)
=5.5*24
=132
168.1÷(4.3×2-0.4)
=168.1÷(8.2)
=20.5
5.1X-3.5X=0.8
1.6x=0.8
x=0.5
(X+1.25)÷1.5=4
X+1.25=4 *1.5
x=3*1.5
=4.5
=0.38+3*5.4
=0.38+16.2
=16.58
26.7-0.5×0.5-0.75
=26.7-(0.25+0.75)
=26.7-1
=25.7
5.5×17.3+6.7×5.5
=5.5*(17.3+6.7)
=5.5*24
=132
168.1÷(4.3×2-0.4)
=168.1÷(8.2)
=20.5
5.1X-3.5X=0.8
1.6x=0.8
x=0.5
(X+1.25)÷1.5=4
X+1.25=4 *1.5
x=3*1.5
=4.5
展开全部
0.38+9.6÷3.2.×5.4
=0.38+3*5.4
=0.38+16.2
=16.58
26.7-0.5×0.5-0.75
=26.7-(0.25+0.75)
=26.7-1
=25.7
5.5×17.3+6.7×5.5
=5.5*(17.3+6.7)
=5.5*24
=132
168.1÷(4.3×2-0.4)
=168.1÷(8.2)
=20.5
5.1X-3.5X=0.8
1.6x=0.8
x=0.5
(X+1.25)÷1.5=4
X+1.25=4 *1.5
x=3*1.5
=4.5
我答的对不对
谢谢谢谢谢谢谢谢
谢谢给个最佳答案
=0.38+3*5.4
=0.38+16.2
=16.58
26.7-0.5×0.5-0.75
=26.7-(0.25+0.75)
=26.7-1
=25.7
5.5×17.3+6.7×5.5
=5.5*(17.3+6.7)
=5.5*24
=132
168.1÷(4.3×2-0.4)
=168.1÷(8.2)
=20.5
5.1X-3.5X=0.8
1.6x=0.8
x=0.5
(X+1.25)÷1.5=4
X+1.25=4 *1.5
x=3*1.5
=4.5
我答的对不对
谢谢谢谢谢谢谢谢
谢谢给个最佳答案
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展开全部
5.5×17.3+6.7×5.5 =5.5*(17.3+6.7)=5.5*24=5.5*8*3=44*3=132
26.7-0.5×0.5-0.75=26.7-0.25-0.75=26.7-(0.25+0.75)=26.7-1=25.7
0.38+9.6÷3.2.×5.4 =0.38+3*5.4=0.38+16.2=16.58
168.1÷(4.3×2-0.4)=168.1/(8.6-0.4)=168.1/8.2=20.5
5.1X-3.5X=0.8 5.1x-3.1x-0.4x =0.8 1.6x=0.8 x=0.5
(X+1.25)÷1.5=4 x+1.25=4*1.5 x+1.25=6 x=6-1.25 x=4.75
26.7-0.5×0.5-0.75=26.7-0.25-0.75=26.7-(0.25+0.75)=26.7-1=25.7
0.38+9.6÷3.2.×5.4 =0.38+3*5.4=0.38+16.2=16.58
168.1÷(4.3×2-0.4)=168.1/(8.6-0.4)=168.1/8.2=20.5
5.1X-3.5X=0.8 5.1x-3.1x-0.4x =0.8 1.6x=0.8 x=0.5
(X+1.25)÷1.5=4 x+1.25=4*1.5 x+1.25=6 x=6-1.25 x=4.75
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多简单,六年级期末考试也特简单
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