設(shè)一個(gè)為X
0.1X+(20.82-X)=11.62
X=92/9
20.82-92/9=4769/4500
兩個(gè)數(shù)的和是20.82 小明在算的過程中把一個(gè)加數(shù)的小數(shù)點(diǎn),向左移了一位,結(jié)果是11.62 這兩個(gè)數(shù)是好多?
兩個(gè)數(shù)的和是20.82 小明在算的過程中把一個(gè)加數(shù)的小數(shù)點(diǎn),向左移了一位,結(jié)果是11.62 這兩個(gè)數(shù)是好多?
數(shù)學(xué)人氣:656 ℃時(shí)間:2019-12-13 04:33:37
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