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36.7除以2.5除以0.4

36.7除以2.5除以0.4 =36.7÷(2.5×0.4) =36.7÷1 =36.7

36.7除以0.4除以2.5 =36.7÷(0.4×2.5) =36.7÷1 =36.7,

2.8×4+7.2÷0.36 解:=2.8×4+7.2÷(0.09×4) =11.2+7.2÷0.09÷4 =11.2+80÷4 =11.2+20 =31.2

①2.07÷2.5÷0.4,=2.07÷(2.5×0.4),=2.07÷1,=2.07;②21.36÷0.8-12.9,=26.7-12.9,=13.8;③0.125×32×2.5,=0.125×8×4×2.5,=(0.125×8)×(4×2.5),=1×10,=10;④0.65×201,=0.65×(200+1),=0.65×200+0.65×1,=130+0.65,=130.65;⑤1.2×2....

36.7×0.4×25 =36.7×(0.4×25) =36.7×10 =367

(1)45.36÷7.2-2.5×0.2,=6.3-0.5,=5.8;(2)5.12-(4.65-4.88),=5.12-4.65+4.88,=(5.12+4.68)-4.65,=10-4.65,=5.35;(3)2.7÷4+6.3×0.5,=0.675+3.15,=3.825;(4)9.43×1.1,=9.43×(1+0.1),=9.43+0.943,=14.198;(5)0.25×1...

(1)2.5×3.7×0.4=(2.5×0.4)×3.7=1×3.7=3.7;(2)13.7×3-36 =41.1-36=5.1;(3)3.07×99+3.07=3.07×(99+1)=3.07×100=307;(4)3.6×13+0.8=46.8+0.8=47.6;(5)0.37×101 =0.37×(100+1)=0.37×100+0.37=37+0.37=37.37;(6)0.125×0.25×0....

=0.36-7.4+0.3-0.6+0.64 =-6.7

解:0.75÷0.25=3 0.125×8=1 4.8÷0.3=16 0.86÷2=0.43 0.56÷28=0.02 0.36÷0.4=0.9 0.64÷0.8=0.8 0.7×9=6.3 3.6÷24=0.15 0.8×1.1=0.88 7.2+12.8=20 46.7-3.8=42.9 12.8÷4=3.2 5.2÷13=0.4 12.5÷5=2.5 1.64+4.1=5.74 10÷20=0.5 24÷15=1.6 8.65×10=86...

解:(1)0.12÷0.3=1.2÷3 (2)2.8÷0.07=280÷7 (3)0.045÷0.9=0.45÷9 (4)0.36÷0.4=3.6÷4 (5)0.81÷0.27=81÷27 (6)2.2÷0.11=220÷11

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