问题 解答题
脱式计算.
3834÷18+20×36
12×[(212-20)÷32]
65+(850-162)÷43(475-75×2)÷25
612÷(5040÷72)-3656×[36-(82-68)].
答案

(1)3834÷18+20×36

=213+720

=933;

(2)12×[(212-20)÷32]

=12×[192÷32]

=12×6

=72;

(3)65+(850-162)÷43

=65+688÷43

=65+16

=81;

(4)(475-75×2)÷25

=(475-150)÷25

=325÷25

=13;

(5)612÷(5040÷72)-36

=612÷70-36

=8

26
35
-36

=-27

9
35

(6)56×[36-(82-68)]

=56×[36-14]

=56×22

=1232.

多项选择题
多项选择题