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3.25除以12.5除以0.8的脱式计算

3.25除以12.5除以0.8的脱式计算 3.25除以12.5除以0.8 =3.25÷(12.5*0.8) =3.25÷10 =0.325

500

原式=25➗5x3 =5x3 =15

(1)2.25×1.8+12.5×0.18=(2.25+1.25)×1.8=4×1.8=7.2;(2)7.28-(1.28+0.25)=7.28-1.28-0.25=6-0.25=5.75;(3)2÷85×2524=2×58×2524=12596;(4)[1-(13-14)]×24=1×24-(13×24-14×24)=24-(8-6)=24-2=22;(5)3.68-0.82-0.18=3.68-(...

3.25乘0.84 =3.25×0.8+3.25×0.04 =2.6+0.13 =2.73

504/((8+5)*(3-25)) =504/(13*(-22)) =504/(-286) =-252/143 =-1.76 望采纳,谢谢!

0.35×1.6+0.35×3.4 0.25×8.6×4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9×3-(25-2.5)2×41846-620-380 4.8×46+4.8×54 0.8+0.8×2.5 1.25×3.6×8×2.5-12.5×2.4 28×12.5-12.5×20 23.65-(3.07+3.65)

脱式计算: 2.5×(3.25+0.75÷0.25) =2.5×(3.25+3) =2.5×6.25 =5.625

62除以4乘2 =15点5乘2 =31

(1)25×(8+4),=25×12,=25×4×3,=100×3,=300;(2)0.25+3.64+1.75+6.36,=(0.25+1.75)+(6.36+3.64),=2+10,=12;(3)360÷2.5÷4,=360÷(2.5×4),=360÷10,=36;(4)25×12-12×5,=(25-5)×12,=20×12,=240.

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