35.72÷0.047÷0.32
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(0.7+1.1+0.3)乘9
17.98+0.5×0.3-18÷1.5=18-0.02+0.15-18*(2/3)=18*(1-2/3)+0.13=6.13
1.2÷x=0.3÷4.750.3x=4.75x1.2x=7
5.25中有几个0.3
(0.3X+0.4X)÷2÷0.3+(0.3X+0.4X)÷2÷0.4=2X+2等式两边都乘以2*0.3*0.4(0.3x+0.4)x0.4+(0.3x+0.4x)x0.3=(2x+2)x2x0.3x
0.3/9=3/90=1/30x/7.5=1//3030x=7.5x7.5/30
(1)14.1/0.047=300(2)2.38/0.34=7(3)0.0765/0.17=0.45(4)66.5/1.9=35(5)8.4/0.56=15(6)144/0.25=576
5.1除0.3等于17
0.78÷0.3÷0.2=0.78÷(0.06)
35.72除以0.047除以0.32=(35.72/0.047)/0.32=35.72/(0.047*0.32)=111.625/0.047=2375
66.6666÷12.5÷3.7÷0.8÷0.3=(66.6666÷0.3)÷(12.5×0.8)÷3.7=222.222÷10÷3.7=222.222÷(10×3.7)=222.222÷37=(22
再答:呵呵再问:以后有不会的,我都来找你再答:嗯嗯,欢迎再答:你是几年级的再问:你先说再答:6再问:4再答:额,我江西的再问:我建瓯再答:什么再答:加qq1597098812再问:好的再问
0.78÷0.3+21.5=7.8÷3+21.5=2.6+21.5=24.1
2.4×(16.2-12.8)÷0.3=2.4÷0.3×(16.2-12.8)=8×3.4=(10-2)×3.4=34-6.8=27.2
(-0.75)÷4分之五÷(-0.3)=(-3/4)x(4/5)÷(-3/10)=(-3/5)x(-10/3)=2
0.3+0.3÷0.3-0.3×0.3=0.3+1-0.9=0.3+0.1=0.41.2÷1.25=6/5÷10/8=6/5×8/10=48/50=96/100=0.96再问:第二道/是×还是÷再答:
3.6÷2.4=3.6÷(0.4)÷(6)0.78÷0.2÷0.3=0.78÷(0.06)是3.6,不是3.3
(0.8x+0.9)÷0.5=(x+5)÷2+(0.3x-0.2)÷0.31.6X+1.8=0.5X+2.5+X-2/34.8X+5.4=1.5X+7.5+3X-20.3X=0.1X=1/3
-0.3²÷0.5×2÷(-2)³=-0.09÷0.5x2÷(-8)=0.18x2÷8=0.36÷8=0.045如果本题有什么不明白可以追问,另外发并点击我的头像向我求助,请谅解,