问题
填空题
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答案
(1)4.02×10=40.2,40.2>42,所以4.02×10>42;
(2)8.7×11=95.7,95.7>87,所以8.7×11>87;
(3)2.8×514,14<140,所以2.8×5<140;
(4)3.3×3=9.9,9.9>6.6,所以3.3×3>6.6;
(5)3.72×7=26.04,26.04>21.9,所以3.72×7>21.9;
(6)22.7×5=113.5,113.5<1125,所以22.7×5<1125;
(7)0.58×7=4.06,4.06<7,所以0.58×7<7;
(8)76×1.3=98.8,13×7.6=98.8,
98.8=98.8,所以76×1.3=13×7.6.
故答案为:>,>,<,>,>,<,<,=.