问题 填空题

在○填上“<”、“>”或“=”号.

(1)0.18÷0.09〇0.18×0.09             (2)0.7×0.7〇0.7+0.7

(3)3.07×0.605〇0.307×6.05           (4)4.35×10〇0.8×43.5.

答案

(1)0.18÷0.09=2,0.18×0.09=0.0162,2>0.0162,所以,0.18÷0.09>0.18×0.09;

(2)0.7×0.7=0.49,0.7+0.7=1.4,0.49<1.4,所以,0.7×0.7<0.7+0.7;

(3)3.07×0.605=1.85735,0.307×6.05=1.85735,所以,3.07×0.605=0.307×6.05;

(4)4.35×10=43.5,0.8×43.5=34.8,43.5>34.8,所以,4.35×10>0.8×43.5.

故答案为:>,<,=,>.

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