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四年级小数脱式计算带答案

25*125*40*8 =(125*8)*(25*40)=1000*1000=1000000 125*18-10=125*8=1000

四年级下册计算题练习一、 计算下面各题.1、475+254+361 2、615+475+125 3、860-168+1594、465+358-27 5、647-(85+265) 6、476+(65-29)7、154*8÷16 8、400÷25

1、 1.25*(8+10)=1.25*8+1.25*10=10+12.5=22.52、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.783、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54、4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100=485、2/5-(3/8-3/5)=2/5+3/5-3/8=1-3/8=5/86、3/4-

2.1÷7÷0.1=5*2.1+2.1=2.5*4*0.5=50*0.04+420=3.4÷0.1-21=100*2.1*0.03=6.9÷3+19=3.7+1.26+0.74=2.34-1.34*0=(1.5+2.5)*0.77=31-0.25-0.75=34.1+21.5+0.9=9.7*12+0.3

0.35*1.6+0.35*3.40.25*8.6*46.72-3.28-1.720.45+6.37+4.555.4+6.9*3-(25-2.5)2*41846-620-3804.8*46+4.8*540.8+0.8*2.51.25*3.6*8*2.5-12.5*2.428*12.5-12.5*2023.65-(3.07+3.65) (4+0.4*0.25)8*7*1.25

47.83-(6.83+13.5) 15.89+(6.75-5.89) 5.17-1.8-3.2 13.75-(6.48+3.75) 5.4÷0.6+(2.3-0.46) 3.68+7.56-2.68 9.24÷[(2.8+3.2)*0.5 ] 7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 0.25*16.2*4 60.9+(13.53+5.37)÷10.8 4.8*7.8+78*0.52 4.8*100.1 3.5-3.5*0.9 5.

(1) 94 * 8 = (2) 57 * 6 = (3) 9 * 67 =

1、62616964757a686964616fe58685e5aeb93133336338333456+31+24=(56+24)+31=80+31=1112、615+475+125 =615+(475+125)=615+600=12153、125*64 =125*8*8=1000*8=80004、 89+101+111=101+(89+111)=101+200=3015、24+

2.1÷7÷0.1=5*2.1+2.1=2.5*4*0.5=50*0.04+420=3.4÷0.1-21=100*2.1*0.03=6.9÷3+19=3.7+1.26+0.74=2.34-1.34*0=(1.5+2.5)*0.77=31-0.25-0.75=34.1+21.5+0.9=9.7*12+0.3*12=38*0.01+0.02=(1.2+0.16)*0.1=0.03÷0.01+0.3=1.25*8*4=3.6+5.8+4.

(1) 94 * 8 = (2) 57 * 6 = (3) 9 * 67 = (4) 26 * 9 = (5) 41 * 9 = (6) 57 * 3 = (7) 7 * 79 = (8) 62 * 5 = (9) 21 * 1 = (10) 3 * 57 = (11) 5 * 84 = (12) 8 * 26 = (13) 5 * 67 = (14) 37 * 4 = (15) 8 * 98 = (16) 6 * 24 = (17) 98 * 5 = (18) 12 * 2 = (19) 9 * 75 = (20)

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