跪求五年级下册递等式 100题 急啊！！！！！！1
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99x99十99
＝99x（99十1）
＝99x100
=9900
=(25×4)×(8×125) =52×99＋52×1 =31×(100－1)
=100×1000 =52×(99＋1) =31×100－31×1
=100000 =52×100 =3100－31
=5200 =3069
0.4×0.7×0.25 280＋840÷24×5 6.9＋4.8＋3.1
=0.4×0.25×0.7 =280＋35×5 =6.9＋3.1＋4.8
=0.1×0.7 =280＋175 =10＋4.8
=455 =14.8
0.456＋6.22＋3.78 15.89＋(6.75－5.89) 2.7÷45
=0.456＋(6.22＋3.78) =15.89－5.89＋6.75 =2.7÷3÷15
=0.456＋10 =10＋6.75 =0.9÷15
=10.456 =16.75 =0.06
4.02＋5.4＋0.98 5.17－1.8－3.2 13.75－(3.75＋6.48)
=4.02＋0.98＋5.4 =5.17－(1.8＋3.2) =13.75－3.75－6.48
=5＋5.4 =5.17－5 =10－6.48
=10.4 =0.17 =3.52
3.68＋7.56－2.68 7.85＋2.34－0.85＋4.66 35.6－1.8－15.6－7.2
=3.68－2.68＋7.56 =7.85－0.85＋(2.34＋4.66) =35.6－15.6－(1.8＋7.2)
=1＋7.56 =7+7 =20－9
=8.56 =14 =11
3.82＋2.9＋0.18＋9.1 9.6＋4.8－3.6 7.14－0.53－2.47
=(3.82＋0.18)＋(2.9＋9.1) =9.6－3.6＋4.8 =7.14－(0.53＋2.47)
=4＋12 =6＋4.8 =7.14－3
=16 =10.8 =4.14
5.27＋2.86－0.66＋1.63 13.35＋4.68－2.65 73.8－1.64－13.8－5.36
=5.27＋1.63＋(2.86－0.66)=13.35－2.65＋4.68 =73.8－13.8－(1.64＋5.36)
=7＋2.2 =11＋4.68 =60－7
=9.2 =15.68 =53
47.8＋7.45－8.8 0.398+0.36+3.64 15.75+3.59－0.59+14.25
=47.8－8.8＋7.45 =0.398+(0.36+3.64) =15.75+14.25+(3.59－0.59)
=39＋7.45 =0.398+4 =30+3
=46.45 =4.398 =33
66.86－8.66－1.34 0.25×16.2×4 (1.25－0.125)×8
=66.86－(8.66＋1.34) =0.25×4×16.2 =1.25×8－0.125×8
=66.86－10 =1×16.2 =10-1
=56.86 =16.2 =9
3.6×102 3.72×3.5＋6.28×3.5 36.8－3.9－6.1
=3.6×(100＋2) =(3.72＋6.28) ×3.5 =36.8－(3.9＋6.1)
=3.6×100＋3.6×2 =10×3.5 =36.8－10
=360＋7.2 =35 =26.8
=367.2
15.6×13.1－15.6－15.6×2.1 4.8×7.8＋78×0.52 32＋4.9－0.9
=15.6×[(13.1－2.1) －15.6×1] =4.8×7.8＋7.8×5.2 =32＋(4.9－0.9)
=15.6×[11－1] =7.8×(5.2＋4.8) =32＋4
=15.6×10 =7.8×10 =36
=156 =78
4.8×100.1 56.5×9.9＋5.65 7.09×10.8－0.8×7.09
=4.8×100+4.8×0.1 =56.5×(9.9＋0.1) =7.09×(10.8－0.8)
=480+0.48 =56.5×10 =7.09×10
=480.48 =565 =70.9
25.48－(9.4－0.52) 4.2÷3.5 320÷1.25÷8
=25.48+0.52－9.4 =4.2÷7÷0.5 =320÷(1.25×8)
=26－9.4 =0.6÷0.5 =320÷10
=16.6 =1.2 =32
18.76×9.9＋1.876 3.52÷2.5÷0.4 3.9－4.1＋6.1－5.9
=18.76×(9.9＋0.1) =3.52÷(2.5×0.4) =(3.9＋6.1)－(4.1＋5.9)
=18.76×10 =3.52÷1 =10－10
=187.6 =3.52 =0
5.6÷3.5 9.6÷0.8÷0.4 4.2×99＋4.2
=5.6÷7÷0.5 =9.6÷(0.8×0.4) =4.2×(99＋1)
=0.8÷0.5 =9.6÷0.32 =4.2×100
=1.6 =30 =420
17.8÷(1.78×4) 0.49÷1.4 1.25×2.5×32
=17.8÷1.78÷4 =0.49÷7÷0.2 =1.25×8×2.5×4
=1÷4 =0.7÷0.2 =10×10
=0.25 =3.5 =100
15.2÷0.25÷4 0.89×100.1 146.5－(23＋46.5)
=15.2÷(0.25×4) =0.89×100+0.89×0.1 =146.5－46.5－23
=15.2÷1 =89+0.089 =100－23
=15.2 =89.089 =77
3.83×4.56＋3.83×5.44 4.36×12.5×8 9.7×99＋9.7
=3.83×(4.56＋5.44) =4.36×(12.5×8) =9.7×(99＋1)
=3.83×10 =4.36×100 =9.7×100
=38.3 =436 =970
27.5×3.7－7.5×3.7 8.54÷2.5÷0.4 0.65×101
=(27.5－7.5)×3.7 =8.54÷(2.5×0.4) =0.65×(100+1)
=20×3.7 =8.54÷1 =0.65×100+0.65×1
=74 =8.54 =65+0.65
=65.65
(45.9－32.7)÷8÷0.125 3.14×0.68＋31.4×0.032 2.5×2.4
=(45.9－32.7)÷(8×0.125) =3.14×0.68＋3.14×0.32 =2.5×2＋2.5×0.4
=13.2÷1 =3.14×(0.68＋0.32) =5+1
=13.2 =3.14×1 =6
=3.14
5.6÷1.25÷0.8÷2.5÷0.4 7.2×0.2＋2.4×1.4 8.9×1.01
=5.6÷(1.25×0.8)÷(2.5×0.4) =1.44+3.36 =8.9×1+8.9×0.01
=5.6÷1÷1 =4.8 =8.9+0.089
=5.6 =8.989
3.9×2.7＋3.9×7.3 18－1.8÷0.125÷0.8 12.7×9.9＋1.27
=3.9×(2.7＋7.3) =18－1.8÷(0.125×0.8) =12.7×(9.9＋0.1)
=3.9×10 =18－1.8÷0.1 =12.7×10
=39 =18－18 =127
=0
21×(9.3－3.7)－5.6 15.02－6.8－1.02 5.4×11－5.4
=21×5.6－5.6 =15.02－1.02－6.8 =5.4×(11－1)
=117.6－5.6 =14－6.8 =5.4×10
=112 =7.2 =+54
2.3×16＋2.3×23＋2.3 9.43－(6.28－1.57) 3.65×4.7－36.5×0.37
=2.3×(16＋23＋1) =9.43＋1.57－6.28 =3.65×4.7－3.65×3.7
=2.3×40 =11－6.28 =3.65×(4.7－3.7)
=92 =4.72 =3.65×1
=3.65
46×57＋23×86 13.7×0.25－13.7÷4 2.22×9.9+6.66×6.7 =2622＋1978 =13.7÷4－13.7÷4 =21.978+44.622
=4600 =0 =66.6
101×0.87-0.91×87 10.7×16.1-15.1×10.7 0.79×199
=101×0.87-91×0.87 =(16.1-15.1)×10.7 =0.79×(200-1)
=(101-91)×0.87 =1×10.7 =0.79×200-0.79×1
=10×0.87 =10.7 =158-0.79
=8.7 =157.21
4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24
=(4.8+5.2)+(8.63+0.37) =5.93+(0.19+2.81) =1.76+3.24+0.195
=10+9 =5.93+3 =5+0.195
=19 =8.93 =5.195
2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.98
=(2.35+7.65)+(1.713+0.287) =1.57+7.43+0.245 =6.02+1.98+3.6
=10+2 =9+0.245 =8+3.6
=12 =9.245 =11.6
0.134+2.66+0.866 1.27+3.9+0.73+16.1 7.5＋4.9－6.5
=0.134+0.866+2.66 =(1.27+0.73)+(3.9+16.1) =7.5－6.5＋4.9
=1+2.66 =2+20 =1＋4.9
=3.66 =22 =5.9
3.07－0.38－1.62 1.29＋3.7＋2.71＋6.3 8－2.45－1.55
=3.07－(0.38＋1.62) =(1.29＋2.71)＋(3.7＋6.3) =8－(2.45＋1.55)
=3.07－2 =4＋10 =8－4
=1.07 =14 =4
3.25＋1.79－0.59＋1.75 23.4－0.8－13.4－7.2 0.32×403
=(3.25＋1.75)＋(1.79－0.59)=(23.4－13.4)－(0.8＋7.2)=0.32×(400＋3)
=5＋1.2 =10－8 =0.32×400＋0.32×3
=6.2 =2 =128＋0.96
=128.96
3.2＋0.36＋4.8＋1.64 1.23＋3.4－0.23＋6.6 0.25×36
=(3.2＋4.8)＋(0.36＋1.64) =(1.23－0.23)＋(3.4＋6.6) =0.25×4×9
=8＋2 =1＋10 =1×9
=10 =11 =9
格式有点问题，你自己调吧
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