递等式计算，能简便的简便，要写出过程
2.5×（6+9.728÷3.2）
=2.5×(6+3.04)
=2.5×9.04
=22.1
35.6-1.8+4.4-7.2
=(35.6+4.4)-(1.8+7.2)
=40-10
=30
0.25×3.2×12.5
=(0.25×0.4)×(8×12.5)
=0.1×100
=10
13.7×0.25-3.7÷4
=3.425-0.925
=2.5
您好：
（1）8*19*12.5
=8x12.5x19
=100x19
=1900
（2）（1/3+7/12）÷2/3
=11/12÷2/3
x=11/8
（3）（7/8-2/3+1/6）*24
=7/8x24-2/3x24+1/6x24
=21-16+4
=9
（4）4/9*【3/4+（5/12-1/3）】
=4/9x(3/4+1/12)
=4/9x2/3
=8/27
（5）【0.75-（2/5+0.15）】*5/8
=(0.75-0.4-0.15)x5/8
=0.2x5/8
=1/5x5/8
=1/8
如果本题有什么不明白可以追问，如果满意记得采纳
如果有其他问题请另发或点击向我求助，答题不易，请谅解，谢谢。
祝学习进步！
（1）8*19*12.5
=8x12.5x19
=100x19
=1900
（2）（1/3+7/12）÷2/3
=11/12÷2/3
x=11/8
（3）（7/8-2/3+1/6）*24
=7/8x24-2/3x24+1/6x24
=21-16+4
=9
（4）4/9*【3/4+（5/12-1/3）】
=4/9x(3/4+1/12)
=4/9x2/3
=8/27
（5）【0.75-（2/5+0.15）】*5/8
=(0.75-0.4-0.15)x5/8
=0.2x5/8
=1/5x5/8
=1/8
如果本题有什么不明白可以追问，如果满意记得采纳
如果有其他问题请另发或点击向我求助，答题不易，请谅解，谢谢。
祝学习进步！
用递等式计算(能简算的要用简便方法计算)?
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递等式计算,能简便算的要简便算,要过程。
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湟源县15094807936： 递等式计算,能简便的简便,要写出过程(1)8*19*12.5(2)(1/3+7/12)÷2/3(3)(7/8 - 2/3+1/6)*24(4)4/9*【3/4+(5/12 - 1/3)】(5)【0.75 - (2/5+0.15)】*5/8 - ？
危股清开：[答案] (1)8*19*12.5 =8x12.5x19 =100x19 =1900 (2)(1/3+7/12)÷2/3 =11/12÷2/3 x=11/8 (3)(7/8-2/3+1/6)*24 =7/8x24-2/3x24+1/6x24 =21-16+4 =9 (4)4/9*【3/4+(5/12-1/3)】 =4/9x(3/4+1/12) =4/9x2/3 =8/27 (5)【0.75-(2/5+0.15)】*5/8 =(0.75-0.4-0.15)x5/8 =0.2x5/...
湟源县15094807936： 递等式计算,能简算的要简算,并写出主要计算过程. ①6.8*0.56+0.44*6.8②44*2.5*0.9③7.2÷0.5÷0.2④(16+1.48÷3.7)÷0.82. - ？
危股清开：[答案]①6.8*0.56+0.44*6.8, =6.8*(0.56+0.44), =6.8*1, =6.8; ②44*2.5*0.9, =(4*11)*2.5*0.9, =(4*2.5)*(11*0.9), =10*9.9, =99; ③7.2÷0.5÷0.2, =7.2÷(0.5*0.2), =7.2÷0.1, =72; ④(16+1.48÷3.7)÷0.82, =(16+0.4)÷0.82, =16.4÷0.82, =20.
湟源县15094807936： 递等式计算(能简便的要简便) 0.11*1.8+8.2*0.11 2.34*99+2.345.4÷2.7*0.8132*101 6.25÷1.25÷0.8 2.5*16. - ？
危股清开：[答案] ①0.11*1.8+8.2*0.11, =0.11*(1.8+8.2), =0.11*10, =1.1; ②2.34*99+2.34, =2.34*(99+1), =2.34*100, =234; ③5.4÷2.7*0.8, =2*0.8, =1.6; ④132*101, =132*(100+1), =132*100+132, =13332; ⑤6.25÷1.25÷0.8, =6.25÷(1.25*0.8), =6.25÷1, =6.25; ⑥2.5*16, ...
湟源县15094807936： 递等式计算,能简便的要简便,并写出计算过程.(1)99*135(2)43*23+224÷56(3)(5632 - 12*101)÷34(4)25*64*125(5)68*34+68*67 - 68(6)9338÷[1348 - (... - ？
危股清开：[答案] (1)99*135 =(100-1)*135 =100*135-1*135 =13500-135 =13365; (2)43*23+224÷56 =989-4 =985; (3)(5632-12*101)÷34 =(5632-1212)÷34 =4420÷34 =130; (4)25*64*125 =25*8*(8*125) =200*1000 =200000; (5)68*34+68*67-68 =68*(34+67-1) =68*...
湟源县15094807936： 递等式计算:(能简便的要简便运算) 3.75 - 0.75*4 14.32 - 4.32÷2.4 150÷1.25 9.8*2.8+28*0.0140.32÷24+69.2*8.450.9÷0.125 - ？
危股清开：[答案] 3.75-0.75*4=3-0.75*3=3*(1-0.75)=3*0.25=0.75 14.32-4.32+2.4=(14.32-4.32)+2.4=10+2.4=12.4 150/1.25=150/(5/4)=150*(4/5)=120 9.8*2.8+28*0.01=28*(0.98+0.01)=28*0.99=28*(1-0.01)=28-0.28=27.72 40.32÷24+69.2*8.4=1.68+581.28=582.96 50.9÷...
湟源县15094807936： 用递等式计算(能简便计算的要写出简算过程).18.24 - 4.73 - 5.27 8.29*135+135*1.71(38+14+16)*24 ... - ？
危股清开：[答案] ①18.24-4.73-5.27 =18.24-(4.73+5.27) =18.24-10 =8.24; ②8.29*1 3 5+1 3 5*1.71 =(8.29+1.71)*1 3 5 =10*1.6 =16; ③( 3 8+ 1 4+ 1 6)*24 = 3 8*24+ 1 4*24+ 1 6*24 =9+6+4 =19; ④0.47*1.25-1 1 4+0.63*125% =(0.47+0.63-1)*1.25 =0.1*1.25 =0.125; ...
湟源县15094807936： 递等式计算.(能简算的要简算,并写出主要的简算过程)①79+38+58+29 ②35÷[1 - (15 - 110)]③0.7*1.25*8 ④(4.2 - 3.52÷1.6)... - ？
危股清开：[答案] ①79+38+58+29,=(79+29)+(38+58),=1+1,=2;②35÷[1-(15-110)],=35÷[1-110],=35÷910,=23;③0.7*1.25*8,=0.7*(1.25*8 ),=0.7*10,=7;④(4.2-3.52÷1.6)*1.5,=(4.2-2.2)*1.5,=2...
湟源县15094807936： 用递等式计算,能简算的要写出简算过程.(78*2 - 126)÷5*15 837 - 2.5+147 - 3.5240*0.8 - 85÷3.4 ... - ？
危股清开：[答案] (1)(78*2-126)÷5*15 =(156-126)÷5*15 =30÷5*15 =6*15 =90; (2)8 3 7-2.5+1 4 7-3.5 =(8 3 7+1 4 7)-(2.5+3.5) =10-6 =4; (3)240*0.8-85÷3.4 =192-25 =167; (4)( 3 8+ 5 12- 3 16)*48 = 3 8*48+ 5 12*48- 3 16*48 =18+20-9 =38-9 =29; (5)( 2 3+0.4)*(0.75- 3 ...
湟源县15094807936： 用递等式计算,能简便的要简便.+++ - ( - )+--++---+ - +. - ？
危股清开：[答案] +++ =(+)+(+) =1+1 =2 2-(-) =2-+ =2+ =2 +-- =(+)-(+) =1-1 = ++ =+ =1 --- =(-)-(+) =-1 = +-+ =(-)+(+) =1
