37*24-2968/8
=888-371
=517
2520-36*42/27
=2520-1512/27
=2520-56
=2464
350+137*(86-29)
=350+137*57
=350+7809
=8159
7.5×2.3+2.9×2.5+12.5×0.4
=7.5×(1.9+0.4)+2.5×1.9+12.5×0.4
=7.5×1.9+7.5×0.4+2.5×1.9+12.5×0.4
=(7.5×1.9+2.5×1.9)+(7.5×0.4+12.5×0.4)
=1.9×(7.5+2.5)+0.4×(7.5+12.5)
=1.9×10+0.4×20
=19+8
=27
3.6×42.3×3.75-12.5×0.423×28
=3.6×0.423×375-12.5×0.423×28
=（3.6×375-12.5×28）×0.42
=（9×150-50×7）×0.423
=（1350-350）×0.423
=423
(0.75×42.7-0.537×25+52.3)÷3×792
=（0.75×42.7+57.3-57.3×0.25）÷3×792
=[0.75×42.7+57.3×（1-0.25）] ÷3×792
=（0.75×42.7+57.3×0.75）÷3×792
=0.75×（42.7+57.3）÷3×792
=0.75×100 ÷3×792
=0.25×100×792
=25×792
=25×4×（792 ÷4）
=100×198
=19800
1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256
=1/256*（128-64-32-16-8-4-2-1）
=1/256*（128-（2*64-1）
=1/256*1
=1/256
1992+19921992+199219921992/1998+19981998+199199199
=1992+1992*10^4+1992+1998*10^4+1992+6+199199*10^3+199+199219921992/1998(以后用n表示）
=1992*3+39910000+60000+6+199190000+9199+n
=39915976+69199+199190006+n
=39915976+199259205+n
=39915976+39851851*5+n
=64125+39851851*3*2+n=12825*5+119555555*2+n
=64125+239111110+n
=239175235+199219921992/1998
1-2+3-4+5-6+.......+2005-2006+2007
=(1-2)+(3-4)+(5-6)+.......+(2005-2006)+2007
=-1-1-1-1-1……-1+2007
=-（2006/2）+2007
=1004
这些很简单，不用答案了吧？
203 + 174 38 + 175 + 62 230 – 14 – 186
19 + (495 + 81) 77 + 898 + 23 53 + 75 + 47 + 25
341 + 101 74 + 39 + (61 + 26) 125 × 9 × 8
275 – 47 - 53 35 × 18 6 × （9 × 15）
14 × 13 × 5 3 × 8 × 25 16 × 55
125 × 16 47 × 5 × 2 15 × 24
16 × 5 × 25 2 × 18 × 25 75 × 16
5 ×（37 × 4） 4 × 16 × 15 125 × 25 × 32
=888-371
=517
2520-36*42/27
=2520-1512/27
=2520-56
=2464
350+137*(86-29)
=350+137*57
=350+7809
=8159
7.5×2.3+2.9×2.5+12.5×0.4
=7.5×(1.9+0.4)+2.5×1.9+12.5×0.4
=7.5×1.9+7.5×0.4+2.5×1.9+12.5×0.4
=(7.5×1.9+2.5×1.9)+(7.5×0.4+12.5×0.4)
=1.9×(7.5+2.5)+0.4×(7.5+12.5)
=1.9×10+0.4×20
=19+8
=27
3.6×42.3×3.75-12.5×0.423×28
=3.6×0.423×375-12.5×0.423×28
=（3.6×375-12.5×28）×0.42
=（9×150-50×7）×0.423
=（1350-350）×0.423
=423
(0.75×42.7-0.537×25+52.3)÷3×792
=（0.75×42.7+57.3-57.3×0.25）÷3×792
=[0.75×42.7+57.3×（1-0.25）] ÷3×792
=（0.75×42.7+57.3×0.75）÷3×792
=0.75×（42.7+57.3）÷3×792
=0.75×100 ÷3×792
=0.25×100×792
=25×792
=25×4×（792 ÷4）
=100×198
=19800
1/2-1/4-1/8-1/16-1/32-1/64-1/128-1/256
=1/256*（128-64-32-16-8-4-2-1）
=1/256*（128-（2*64-1）
=1/256*1
=1/256
1992+19921992+199219921992/1998+19981998+199199199
=1992+1992*10^4+1992+1998*10^4+1992+6+199199*10^3+199+199219921992/1998(以后用n表示）
=1992*3+39910000+60000+6+199190000+9199+n
=39915976+69199+199190006+n
=39915976+199259205+n
=39915976+39851851*5+n
=64125+39851851*3*2+n=12825*5+119555555*2+n
=64125+239111110+n
=239175235+199219921992/1998
1-2+3-4+5-6+.......+2005-2006+2007
=(1-2)+(3-4)+(5-6)+.......+(2005-2006)+2007
=-1-1-1-1-1……-1+2007
=-（2006/2）+2007
=1004
这些很简单，不用答案了吧？
203 + 174 38 + 175 + 62 230 – 14 – 186
19 + (495 + 81) 77 + 898 + 23 53 + 75 + 47 + 25
341 + 101 74 + 39 + (61 + 26) 125 × 9 × 8
275 – 47 - 53 35 × 18 6 × （9 × 15）
14 × 13 × 5 3 × 8 × 25 16 × 55
125 × 16 47 × 5 × 2 15 × 24
16 × 5 × 25 2 × 18 × 25 75 × 16
5 ×（37 × 4） 4 × 16 × 15 125 × 25 × 32
温馨提示：内容为网友见解，仅供参考
第1个回答 2009-02-16
1.25x16=25x4x4=100
2.125x88=125x8x11=1100
3.75x101-75=75x(101-1)=7500
4.300÷25=(300x4)÷(25x4)=12
5.2652÷26=(2600÷26)+(52÷26)=102
你可以根据题型继续写了!本回答被网友采纳
2.125x88=125x8x11=1100
3.75x101-75=75x(101-1)=7500
4.300÷25=(300x4)÷(25x4)=12
5.2652÷26=(2600÷26)+(52÷26)=102
你可以根据题型继续写了!本回答被网友采纳
第2个回答 2012-07-28
1.25x16=25x4x4=100
2.125x88=125x8x11=1100
3.75x101-75=75x(101-1)=7500
4.300÷25=(300x4)÷(25x4)=12
5.2652÷26=(2600÷26)+(52÷26)=102
你可以根据题型继续写了!
2.125x88=125x8x11=1100
3.75x101-75=75x(101-1)=7500
4.300÷25=(300x4)÷(25x4)=12
5.2652÷26=(2600÷26)+(52÷26)=102
你可以根据题型继续写了!
第3个回答 2009-02-17
203 + 174 38 + 175 + 62 230 – 14 – 186
19 + (495 + 81) 77 + 898 + 23 53 + 75 + 47 + 25
341 + 101 74 + 39 + (61 + 26) 125 × 9 × 8
275 – 47 - 53 35 × 18 6 × （9 × 15）
14 × 13 × 5 3 × 8 × 25 16 × 55
125 × 16 47 × 5 × 2 15 × 24
16 × 5 × 25 2 × 18 × 25 75 × 16
5 ×（37 × 4） 4 × 16 × 15 125 × 25 × 32
19 + (495 + 81) 77 + 898 + 23 53 + 75 + 47 + 25
341 + 101 74 + 39 + (61 + 26) 125 × 9 × 8
275 – 47 - 53 35 × 18 6 × （9 × 15）
14 × 13 × 5 3 × 8 × 25 16 × 55
125 × 16 47 × 5 × 2 15 × 24
16 × 5 × 25 2 × 18 × 25 75 × 16
5 ×（37 × 4） 4 × 16 × 15 125 × 25 × 32
第4个回答 2009-02-16
上百度找呀！！！
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