问题
解答题
计算(1)-23÷(-4)3+1÷(-
(2)
|
答案
(1)原式=-8÷(-64)+1÷(-
)=-71 8
;7 8
(2)原式=
=275+326×(275-1) 275×326-51
=275+326×275-326 275×326-51
=1.275×326-51 275×326-51
计算(1)-23÷(-4)3+1÷(-
(2)
|
(1)原式=-8÷(-64)+1÷(-
)=-71 8
;7 8
(2)原式=
=275+326×(275-1) 275×326-51
=275+326×275-326 275×326-51
=1.275×326-51 275×326-51