假設(shè)這個(gè)數(shù)是100,大于1的數(shù)是1.2,小于1的數(shù)是0.8;
100×1.2=120,120>100;
所以,一個(gè)數(shù)(0除外)乘大于1的數(shù),積比原來的數(shù)大;
100×0.8=80,80<100;
所以,一個(gè)數(shù)(0除外)乘小于1的數(shù),積比原來的數(shù)?。?br>故答案為:大,?。?div style="margin-top:20px">
分別比較積和第一個(gè)因數(shù),你發(fā)現(xiàn)了什么? 一個(gè)數(shù)(0除外)乘大于1的數(shù),積比原來的數(shù)_;一個(gè)數(shù)(0除外)乘小于1的數(shù),積比原來的數(shù)_.(填“大”或“小”)
分別比較積和第一個(gè)因數(shù),你發(fā)現(xiàn)了什么?
一個(gè)數(shù)(0除外)乘大于1的數(shù),積比原來的數(shù)______;一個(gè)數(shù)(0除外)乘小于1的數(shù),積比原來的數(shù)______.(填“大”或“小”)
一個(gè)數(shù)(0除外)乘大于1的數(shù),積比原來的數(shù)______;一個(gè)數(shù)(0除外)乘小于1的數(shù),積比原來的數(shù)______.(填“大”或“小”)
數(shù)學(xué)人氣:340 ℃時(shí)間:2019-08-20 06:15:16
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