(1)1.34+4/5+0.66=(2)100÷25+50×15=(3)六又五分之一—(3/5+2.4×1/3)÷1/2=(4)1.5÷3—1.2×0.4=(5)1.2+【二又五分之二÷(2—2.4×2/3)】(6)10x+2=14x—8(7)14x—11=10x+27(8)0.5X—0.6=0.2x+2.4
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 11:36:28
![(1)1.34+4/5+0.66=(2)100÷25+50×15=(3)六又五分之一—(3/5+2.4×1/3)÷1/2=(4)1.5÷3—1.2×0.4=(5)1.2+【二又五分之二÷(2—2.4×2/3)】(6)10x+2=14x—8(7)14x—11=10x+27(8)0.5X—0.6=0.2x+2.4](/uploads/image/z/987150-30-0.jpg?t=%EF%BC%881%EF%BC%891.34%2B4%2F5%2B0.66%3D%EF%BC%882%EF%BC%89100%C3%B725%2B50%C3%9715%3D%EF%BC%883%EF%BC%89%E5%85%AD%E5%8F%88%E4%BA%94%E5%88%86%E4%B9%8B%E4%B8%80%E2%80%94%EF%BC%883%2F5%2B2.4%C3%971%2F3%EF%BC%89%C3%B71%2F2%3D%EF%BC%884%EF%BC%891.5%C3%B73%E2%80%941.2%C3%970.4%3D%EF%BC%885%EF%BC%891.2%2B%E3%80%90%E4%BA%8C%E5%8F%88%E4%BA%94%E5%88%86%E4%B9%8B%E4%BA%8C%C3%B7%EF%BC%882%E2%80%942.4%C3%972%2F3%EF%BC%89%E3%80%91%EF%BC%886%EF%BC%8910x%2B2%3D14x%E2%80%948%EF%BC%887%EF%BC%8914x%E2%80%9411%3D10x%2B27%EF%BC%888%290.5X%E2%80%940.6%3D0.2x%2B2.4)
(1)1.34+4/5+0.66=(2)100÷25+50×15=(3)六又五分之一—(3/5+2.4×1/3)÷1/2=(4)1.5÷3—1.2×0.4=(5)1.2+【二又五分之二÷(2—2.4×2/3)】(6)10x+2=14x—8(7)14x—11=10x+27(8)0.5X—0.6=0.2x+2.4
(1)1.34+4/5+0.66=
(2)100÷25+50×15=
(3)六又五分之一—(3/5+2.4×1/3)÷1/2=
(4)1.5÷3—1.2×0.4=
(5)1.2+【二又五分之二÷(2—2.4×2/3)】
(6)10x+2=14x—8
(7)14x—11=10x+27
(8)0.5X—0.6=0.2x+2.4
(1)1.34+4/5+0.66=(2)100÷25+50×15=(3)六又五分之一—(3/5+2.4×1/3)÷1/2=(4)1.5÷3—1.2×0.4=(5)1.2+【二又五分之二÷(2—2.4×2/3)】(6)10x+2=14x—8(7)14x—11=10x+27(8)0.5X—0.6=0.2x+2.4
(1)1.34+4/5+0.66
=1.34+0.66+0.8
=2+0.8
=2.8
(2)100÷25+50×15
=4+750
=754
(3)六又五分之一—(3/5+2.4×1/3)÷1/2
=6.2-(0.6+0.8)×2
=6.2-2.8
=3.4
(4)1.5÷3—1.2×0.4
=0.5-0.48
=0.02
(5)1.2+【二又五分之二÷(2—2.4×2/3)】
=1.2+【2.4÷0.4】
=1.2+6
=7.2
(6)10x+2=14x—8
4x=10
x=2.5
(7)14x—11=10x+27
4x=38
x=9.5
(8)0.5X—0.6=0.2x+2.4
0.3x=3
x=10
1.34+4/5+0.66
=1.34+0.8+0.66=2.8
100÷25+50×15=4+750
六又五分之一—(3/5+2.4×1/3)÷1/2=6.2-(0.6+0.8)*2=3.4
1.5÷3—1.2×0.4=0.5-0.48=0.02
1.2+【二又五分之二÷(2—2.4×2/3)】=1.5+(2.4/0.4)=7.2好像不全吧...~?!楼...
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1.34+4/5+0.66
=1.34+0.8+0.66=2.8
100÷25+50×15=4+750
六又五分之一—(3/5+2.4×1/3)÷1/2=6.2-(0.6+0.8)*2=3.4
1.5÷3—1.2×0.4=0.5-0.48=0.02
1.2+【二又五分之二÷(2—2.4×2/3)】=1.5+(2.4/0.4)=7.2
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