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脱式计算100道带答案

0.4×125×25×0.8 =(0.4×25)×(125×0.8) =10×100=1000 1.25×(8+10) =1.25×8+1.25×10 =10+12.5=22.5 9123-(123+8.8) =9123-123-8.8 =9000-8.8 =8991.2 1.24×8.3+8.3×1.76 =8.3×(1.24+1.76) =8.3×3=24.9 9999×1001 =9999×(1000+1) =9999×...

5.4÷1.8+240×1.5 =3+360 =363 9000÷72×(1.25×0.7×8) =9000÷72×7 =125×7 =875 61-(1.25+2.5×0.7) =61-3 =58 [(10-0.8)+9.85]-2÷0.125 =19.05-2÷0.125 =19.05-16 =3.05 3^2*3.25678 3^3-5 12+5268.32-2569 123+456-52*8 789+456-78 (181+2565)+2...

就一道题你都一脸懵逼

你们也是脱式计算

62×7.1+2.9, =440.2+2.9, =443.1; 4.2×0.25, =(4+0.2)×0.25, =4×0.25+0.2×0.25, =1+0.05, =1.05; 5.2×4.3+0.8×4.3, =(5.2+0.8)×4.3, =6×4.3, =25.8. 8.5+1.5÷0.25×4, =8.5+6×4, =8.5+24, =32.5. 0.25×0.8+2.5% =0.2+2.5%, ...

谁有三年级下册脱式计算,带答案的 405×(3213-3189) =405×15 =6075, 5000-56×23 =5000-1288 =3712, 125×(97-81) =125×16 =2000, 6942+480÷3 =6942+160 =7102.

156×[(17.7-7.2)÷3] =156×(10.5÷3) =156×3.5 =546 [37.85-(7.85+6.4)] ×30 =(37.85-7.85-6.4)×30 =(30-6.4)×30 =23.6×30 =708 70×〔(42-42)÷18〕 =70×(0÷18) =70×0 =0 81÷[(72-54)×9] =81÷(18×9) =81÷162 =0.5 960÷(1500-32×45) =960÷(1500-1440...

5.4÷1.8+240×1.5=3+360=363 9000÷72×(1.25×0.7×8)=9000÷72×7=125×7=875 1.25×(8+10)=1.25×8+1.25×10=10+12.5=22.51.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.78 1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/5 4800÷25÷4=4800÷(25x4)=4800÷100=4800÷100...

1.95.6*18+0.4*18 =(95.6+0.4)*18 =96*18 =1728 2.907*99+907 =907*(99+1) =907*100 =90700 3.0.6*143-0.6*43 =0.6*(143-43) =0.6*100 =60 4.6.5*8+3.5*8-47 =(6.5+3.5)*8-47 =80-47 =33 5.14*2.25+14*3.75 =(2.25+3.75)*14 =6*14 =84 6.3.5*0.8...

脱式计算。 408-12×24 (46+28)×60 42×50-1715÷5 32+105÷5 (108+47)×52 420×(327-238) (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 5000-56×23 125×(97-81) 6942+480÷3 304×32-154 20+80÷4-20= 100÷(32-30)×0= 25×4-1...

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