在横线里填上“>”、“<”或“=”.?????
1.57×0.99________1.57???????????????????3.42×1.5________3.42??????????????????????????????????
?1.35÷0.99________1.35???????????????????3.77÷1.9________3.77.
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< > > <
解析分析:一个数(0 除外)乘小于1的数,积小于原数;一个数(0 除外)乘大于1的数,积大于原数;一个数(0除外)除以小于1的数,商大于被除数;一个数(0 除外)除以大于1的数,商小于被除数;据此解答.
解答:1.57×0.99<1.57???????????????????3.42×1.5>3.42???????????????????????????????????1.35÷0.99>1.35???????????????????3.77÷1.9<3.77.故