要二十道五年级的脱式计算题目,请迅速加答案题目减十道
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） =.8==8991.2 1.24×8.3+8.3×1.76 =8.3×（1.24+1.76)=8.3×3=24.9
=9999×（1000+1）=+9999×1 = 14.8×6.3-6.3×6.5＋8.3×3.7 =（14.8-6.5）×6.3＋8.3×3.7=8.3×6.3+8.3×3.7 =8.3×（6.3＋3.7） =8.3×10 =83 1.24+0.78+8.76 =（1.24+8.76）+0.78 =10+0.78 =10.78 933-157-43 =933-（157+43）=933-200=733
I32×125×25 =4×8×125×25 =（4×25）×（8×125）=100×1000 =100000 =（00+1248）÷26=0÷26+8÷269 =100+100+100+48=348以上已经十道.2881÷ 43 =（）÷ 434=1÷43=30+373.2×42.3×3.75-12.5×0.423×16=3.2×42.3×3.75-1.25×42.3×1.6=42.3×(3.2×3.75-1.25×1.6)=42.3×(4×0.8×3.75-1.25×4×0.4)=42.3×(4×0.4×2×3.75-1.25×4×0.4)=42.3×(4x0.4x7.5-1.25x4x0.4)=42.3×[4×0.4×(7.5-1.25)]=42.3×[4×0.4×6.25]
=42.3×(4×2.5)=4237 1.8+18÷1.5-0.5×0.3
=1.8+12-0.15=13.8-0.15=13.656.5×8+3.5×8-47 =52+28-47=80-47(80-9.8)×5分之2-1.32 =70.2X2/5-1.32=28.08-1.32=26.768×7分之4÷[1÷(3.2-2.95)]=8×4/7÷[1÷0.25]=8×4/7÷4=8/72700×（506－499）÷900
33.02－（148.4－90.85）÷2.5=33.02－57.55÷2.5=33.02－23.02 =10（1÷1－1）÷5.1
=（1－1）÷5.1 =0÷5.1
=018.1＋（3－0.299÷0.23）×1=18.1＋1.7×1 =18.1＋1.7 =19.8
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