查看更多优质解析解答一举报我这里有六年级20道0.
4×125×25×0.
8 =(0.
4×25)×(125×0.
8)=10×100=1000 1.
25×(8+10) =1.
25×8+1.
25×10 =10+12.
5=22.
5 9123-(123+8.
8) =9123-123-8.
8=9000-8.
8=8991.
2 1.
24×8.
3+8.
3×1.
76 =8.
3×(1.
24+1.
76) =8.
3×3=24.
9 9999×1001 =9999×(1000+1)=9999×1000+9999×1 =10008999 14.
8×6.
3-6.
3×6.
5+8.
3×3.
7 =(14.
8-6.
5)×6.
3+8.
3×3.
7 =8.
3×6.
3+8.
3×3.
7 =8.
3×(6.
3+3.
7) =8.
3×10 =83 1.
24+0.
78+8.
76 =(1.
24+8.
76)+0.
78 =10+0.
78 =10.
78 933-157-43 =933-(157+43) =933-200 =733 4821-998 =4821-1000+2 =3823 32×125×25 =4×8×125×25 =(4×25)×(8×125) =100×1000 =100000 9048÷26=(2600+2600+2600+1248)÷26=2600÷26+2600÷26+2600÷26+1248÷26 =100+100+100+48=3482881÷ 43 =(1290+1591)÷ 43 =1290÷43+1591÷43 =30+37 =67 3.
2×42.
3×3.
75-12.
5×0.
423×16 =3.
2×42.
3×3.
75-1.
25×42.
3×1.
6 =42.
3×(3.
2×3.
75-1.
25×1.
6)=42.
3×(4×0.
8×3.
75-1.
25×4×0.
4) =42.
3×(4×0.
4×2×3.
75-1.
25×4×0.
4) =42.
3×(4x0.
4x7.
5-1.
25x4x0.
4)=42.
3×[4×0.
4×(7.
5-1.
25)]=42.
3×[4×0.
4×6.
25]=42.
3×(4×2.
5) =4231.
8+18÷1.
5-0.
5×0.
3 =1.
8+12-0.
15=13.
8-0.
15 =13.
65 6.
5×8+3.
5×8-47 =52+28-47 =80-47 =33 (80-9.
8)×5分之2-1.
32 =70.
2X2/5-1.
32=28.
08-1.
32 =26.
76 8×7分之4÷[1÷(3.
2-2.
95)] =8×4/7÷[1÷0.
25]=8×4/7÷4 =8/7 2700×(506-499)÷900 =2700×7÷900 =18900÷900 =21 33.
02-(148.
4-90.
85)÷2.
5=33.
02-57.
55÷2.
5 =33.
02-23.
02 =10 (1÷1-1)÷5.
1 =(1-1)÷5.
1 =0÷5.
1 =0 18.
1+(3-0.
299÷0.
23)×1=18.
1+1.
7×1 =18.
1+1.
7 =19.
8
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