这几题怎样简便运算1.36.5÷2.5÷4 2.3 - 知识问答

这几题怎样简便运算1.36.5÷2.5÷4 2.3.15X2.56+3.15X8.44-3.153.1X 1/10÷1/

1个回答

36.5÷2.5÷4
=36.5÷（2.5×4）
=36.5÷10
=3.65
3.15X2.56+3.15X8.44-3.15
=3.15×（2.56＋8.44－1）
=3.15×10
31.5
1X 1/10÷1/100X1/1000
=1/10×100X1/1000
=1/100
1X1/100÷1X 1/100
=1/100X 1/100
=1/10000

相关问题