简算 18÷0.25
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 22:13:36
18÷0.45=18÷0.9=20÷0.5=40
0.75×25÷0.25=0.25×(3×100÷1)=750.51÷7.1-0.02=0.51-0.02×7.1=0.368
0.8%×17×125%=(8/1000)×17×(125/100)=(17×8×125)/(1000×100)=(17×1000)/(1000×100)=0.1718÷0.25=18÷1/4=18×
1375+450÷18×25=1375+450÷9÷2×25=1375+50÷2×25=1375+25×25=1375+625=2000
18除以0.25=18×4=10×4+8×4=40+32=72
7.12X4-1.12÷1/4=7.12X4-1.12X4=(7.12-1.12)X4=6X4=24
16÷0.25=(16×4)÷(0.25×4)=64÷1=64
1.34÷0.25=(1.34×4)÷(0.25×4)=5.36÷1=5.36
(1.05÷0.17)×0.25=105/17x1/4=105/68
(0.81×0.75×0.48)÷(0.25×0.24×0.27)=(0.27×3×0.25×3×0.24×2)÷(0.25×0.24×0.27)=3×3×2=18
0.25×8÷20-0.785÷78.55=0.25×(2×4)÷20-0.785÷78.55=0.25×4×2÷20-0.785÷78.55=2÷20-0.785÷78.55=0.1-0.009=0
(5/18*3+5/18)*0.25=5/18*(3+1)*1/4==5/18
101×31-1818÷18=101x31-101=101x(31-1)=101x30=3030如果本题有什么不明白可以追问,
3.92÷0.25=3.92/(1/4)=3.92*4=15.68
15÷0.25简算=15*4=60
=32×4-450÷(9×2)=128-450÷9÷2=128-50÷2=128-25=103
(0.125-0.25÷4×0.25)÷0.5=(1/8-1/4x1/4×1/4)x2=(1/8-1/64)x2=1/8x2-1/64x2=1/4-1/32=(8-1)/32=7/3232分之7
16*1.25-1.25*4=(16-4)*1.25=12*1.25=(4+8)*1.25=4*1.25+8*1.25=5+10=15
1÷64÷0.5÷0.25÷0.125=1/64÷1/2÷1/4÷1/8=1/64×2×4×8=1希望能帮到你,@数学辅导团#祝你学习进步,不理解请追问,理解请及时采纳!(*^__^*)