Question

简便运算,0.32＊6.7＋3.2＊0.43－0.32

Answer 1

0.32＊6.7＋3.2＊0.43－0.32

= 0.32＊6.7＋0.32＊4.3－0.32

= 0.32＊(6.7＋4.3-1)

= 0.32＊10

= 3.2