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50道小数加减简算题

3.25+1.79-0.59+1.75 23.4-0.8-13.4-7.2 0.32*403 3.2+0.36+4.8+1.64 1.23+3.4-0.23+6.6 0.25*36 12.7-(3.7+0.84) 36.54-1.76-4.54 0.25*0.73*4 7.6*0.8+0.2*7.6 0.85*199 0.25*8.5*4 1.28*8.6+0.72*8.6 12.5*0.96*0.8 10.4-9.6*0.35 0.8*(4.3*1.25)

17*40= 100-63= 3.2+1.68= 2.8*0.4= 14-7.4= 1.92÷0.04= 0.32*500= 0.65+4.35= 10-5.4= 4÷20= 3.5*200= 1.5-0.06= 0.75÷15= 0.4*0.8= 4*0.25= 0.36+1.54= 1.01*99= 420÷

1.2+1.5=2.7 1.3+1.5=2.8 0.2+1.2=1.4 1.3+1.08=2.38 5.5+2.1=7.6 7.8+1.9=9.7 1.02+1.03=2.05 1.2+1.5=2.7 1.5+1.7=3.2 1.3+1.5=2.8 0.2+1.2=1.4 1.3+1.08=2.38 5.5+2.1=7.6 7.8+1.9=9.7 1.02+1.03=2.05 1.2+1.5=2.7 1.3+1.5=2.8 0.2+1.2=1.4 1.3+1.08=2.38 5.5+2.1=7.6 7.8+1.9=9.7 1.02+1.03=2.05 7.1+7.1=14.2 2.03+2.03=4.06

(1)101*99=(100+1)*99=100*99+99=9999(2)14*35=7*2*35=7*70=490(3)25*28=25*4*7=100*7=700(4)4*9*25=4*25*9=100*9=900(5)43*5*4=43*20=860(6)15*12=15*2*6=30*6=180(7)12*(40-5)=12*40-12*5=480-60=420(8)64*9-14*9=(64-

0.45*2.5= 0.8*1.25= 0.3*3.6= 0.3*0.3= 10*0.07= 0.3*1.4= 0.05*7= 0.92*0.4= 0.2*0.26= 0.14*4= 0.02*0.1= 1.2*0.3= 4.5*6=? 6-4.05=? 8.4÷0.7=? 3.67+6.13=? 0.5*1.2=?

1. 3/7 * 49/9 - 4/3 2. 8/9 * 15/36 + 1/27 3. 12* 5/6 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 1.25*64*0.2547 4.6*0.35+4.6*0.65 48 0.95*8.6-7.6*0.95 49 2.4*1.87-2.4*0.87 50 4.

1)3643-74+6357-76(2)39*24+39*46+39*30(3)108*35(4)345*98(5)25*64*125*5(6)8500÷25(7)94*73+27*94(8)125*79(9)1.2*99(10)9÷0.25(11)4.7*5.9+5.2*4.7-4.7*0.1(12)3.6*2.4+36*0.76(13)(3.25*7+3.25)*0.125(14)37.5÷8÷1.25(15)1.11-8.5*(

1)3643-74+6357-76(2)39*24+39*46+39*30(3)108*35(4)345*98(5)25*64*125*5(6) (47)0.3*5+3x=4.5(48)2x-1.5x=0.8(49)x-0.8x-6=16(50)1+0.2x=1.6(51)1.5x=0.9*3.6(52)

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