问题 解答题
3.6+20+5.416.7-5.4-4.6
(16+16+16+16)×25728×79+272×79
4000÷125×8(214-98÷14)×12.
答案

(1)3.6+20+5.4

=3.6+5.4+20

=29;

(2)16.7-5.4-4.6

=16.7-(5.4+4.6)

=16.7-10

=6.7;

(3)(16+16+16+16)×25

=16×(4×25)

=16×100

=1600;

(4)728×79+272×79

=(728+272)×79

=1000×79

=79000;

(5)4000÷125×8

=32×8

=256;

(6)(214-98÷14)×12

=(214-7)×12

=207×12

=2484.

多项选择题
单项选择题