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用竖式计算①3.26×0.52=②1

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(1)26×0.45=11.7; ;(2)3.57÷1.7=2.1;验算: ;(3)3.87÷7≈0.55; .

①4.6×1.5②72×0.81③9.08×1.7④17.76÷0.6⑤29.9÷0.23⑥2.1÷1.3.

(1)120.1-92.05=28.05;25.675+3.326=29.001;(2)10吨-9吨10千克,=10吨-9.01吨,=0.99吨;69100-510+310,=0.69-0.5+0.3,=0.19+0.3,=0.49.

104.78÷26=4.03;(2)3.25×9.04=29.38;

0.342× 0.45---------17101368--------0.15398.26×0.16-------4956826-------1.3216除的我打不出简便计算3.26÷0.125÷8=3.26÷(1\8×8)=3.26×1=3.262.5×(6.2-2.6)×0.4=2.5×0.4×3.6=1×3.6=3.6

(1)0.26×3.5=0.91;(2)2.43×1.3=3.159;(3)4.33×0.19≈0.823.

①0.38×49=18.62②26×3.75=97.5③63×0.05=3.15④1.37×36=49.32

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