简便算式怎么写5年级的( 三 ) _算式

9.83*1.5+6.17*1.5
10.1*87
312*4+188*4
0.135*500*0.2
6.3+0.84+3.7+8.16
18.75-0.43-4.57
0.25*0.03*4
13.7*0.25*8
2.65*1.7+1.35*1.7
32.8+5.6+7.2
(2.5+0.25)*0.4
8*(2.5*0.25)
8.4*0.2+1.6*0.2
1.25*0.8*0.5
(1.5+0.25)*0.4
1.2*0.4+1.3*0.4
6.五年级简便计算题50道以及答案望采纳谢谢。
（1）2.5*32*0.125 =(2.5*4)*(8*0.125) =10*1 =10 (2)3.5-7+6.5 =3.5+6.5-7 =3 (3)1.2*2.5+0.8*2.5 =2.5(1.2+0.8) =25 (4)8.9*1.25-0.9*1.25 =1.25(8.9-0.9) =10 (5)12.5*7.4*0.8 =12.5*0.8*7.4 =74 (6)6.5*9.5+6.5*0.5 =6.5*(9.5+0.5) =6.5*10 =65 (7)0.35*1.6+0.35*3.4 =0.35*(1.6+3.4) =0.35*5 =1.75 (8)6.72-3.28-1.72 =6.75-(3.28+1.72) =6.75-5 =1.75 (9)0.45+6.37+4.55 =0.45+4.55+6.37 =5+6.37 =11.37 (10)28*12.5-12.5*20 =(28-20)*12.5 =8*12.5 =100 (11)23.65-(3.07+3.65) =23.65-3.65-3.07 =20-3.07 =16.93 (12)(4+0.4*0.25)8*7*1.25 =(4+1)*7*10 =5*7*10 =350 (13)1.65*99+1.65 =1.65*(99+1) =1.65*100 =165 (14)27.85-(7.85+3.4) =27.85-7.85+3.4 =20+3.4 =23.4 (15)48*1.25+50*1.25*0.2*8 7.8*9.9+0.78 =7.8*(9.9+0.1) =7.8*10 =78 (16)4.8*46+4.8*54 =(46+54)*4.8 =100*4.8 =480 (17)673-327-173 =673-(327+173) =673-500 =173 (18)4.44*2.5 =1.11*(4*2.5) =1.11*10 =11.1 (19)3.5÷1.4 =(3.5÷0.7)÷（1.4÷0.7） =5÷2 =2.5 (20)1+2+3+4+5 。
+99+100 =(1+99)+(2+98)+(3+97)+ 。
+(49+51)+50 =(100÷2-1)*100+50 =4900+50 =4950⑴运用加法交换律进行简便计算。0.88+5.6+0.12 1.78+3.5+0.22 5.6+2.08+14.4 =0.88+0.12+5.6 =1.78+0.22+3.5 =5.6+14.4+2.08 =1+5.6 =2+3.5 =20+2.08 =6.6 =5.5 =22.08 ⑵运用加法结合律进行简便计算 2.3+(0.56+4.7) 28.6+0.54+0.46+1.4 5.82+4.56+5.44 =(2.3+4.7)+0.56 =(28.6+1.4)+(0.54+0.46) =5.82+(4.56+5.44) =7+0.56 =30+1 =5.82+10 =7.56 =31 =15.82 ⑶、运用乘法交换律进行简便计算。
25*0.37*0.4 7.5*0.39*4 6.5*1.1*4 1.25*3.9*0.8 =25*0.4*0.37 =7.5*4*0.39 =6.5*4*1.1 =1.25*0.8*3.9 =10*0.37 =30*0.39 =26*1.1 =1*3.9 =3.7 =11.7 =28.6 =3.9 ⑷、运用乘法结合律进行简便计算。1.9*7.5*8 6.2*0.8*2.5 4.3*1.5*6 4.1*3.5*2 =1.9*(7.5*8) =6.2*(0.8*2.5) =4.3*(1.5*6) =4.1*(3.5*2) =1.9*60 =6.2*2 =4.3*9 =4.1*7 =114 =12.4 =38.7 =28.7 ⑸、运用乘法分配律的加法进行简算。
13.6*4.6+4.6*6.4 0.72*23+77*0.72 2.6*32+32*2.4 =(13.6+6.4)*4.6 =(23+77)*0.72 =(2.6+2.4) *32 =20*6.4 =100*0.72 =5*32 =128 =72 =160 ⑹、运用乘法分配律的减法进行简算。12*5.9-5.9*2 4.6*2.5-2.5*0.6 101*9.7-9.7 =(12-2) *5.9 =(4.6-0.6)*2.5 =(101-1)*9.7 =(12-2) *5.9 =(4.6-0.6)*2.5 =(101-1)*9.7 =10*5.9 =4*2.5 =100*9.7 =59 =10 =970 ⑺、运用减法的运算规律进行简便计算。
1.8-0.45-0.55 54.4-4.6-5.4 35.6-0.13-0.47 =1.8-(0.45+0.55) =54.4-(4.6+5.4) =35.6-(0.13+0.47) =1.8-1 =54.4-10 =35.6-0.6 =0.8 =44.4 =35 ⑻、运用除法的运算规律进行简便计算。4.5÷4÷7.5 14.8÷1.25÷8 18.5÷4÷1.25 5.4÷4÷0.45 =4.5÷（4*7.5） =14.8÷（1.25*8） =18.5÷（4*1.25） =5.4÷（4*0.45） =4.5÷30 =14.8÷10 =18.5÷5 =5.4÷0.18 =0.15 =1.48 =3.7 =30 ⑼综合运用各种运算定律进行简算。
2.54+2.46+0.44+0.54 10.7*0.4-6.7*0.4 0.5*3.2*1.25 =(2.54+2.46)+(0.44+0.54) =(10.7-6.7)*0.4 =(0.5*4)*(0.8*1.25) =5+1 =4*0.4 =2*1 =6 =1.6 =2 89.7+5.8-9.7+4.2 99*0.38+0.38 360÷（18*0.4） =(89.7-9.7)+(5.8+4.2) =(99+1) *0.38 =360÷18÷0.4 =80+10 =100*0.38 =20÷0. 4 =90 =38 =50 4.8*12.5 2.5*1.6*12.5 3.2*102 =0.6*(8*12.5) =(2.5*0.2)*(8*12.5) =3.2*(100+2) =0.6*100 =0.5*100 =3.2*100+3.2*2 =60 =50 =320+6.4 =326.4 。
【简便算式怎么写5年级的】

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