问题
解答题
|
答案
①36×(
-5 9
)5 12
=36×
-36×5 9
,5 12
=20-15,
=5;
②56×0.18+18%×44
=56×0.18+0.18×44,
=(56+44)×0.18,
=100×0.18,
=18;
③4-4×(
+5 12
)3 8
=4-4×
,19 24
=4-3
,1 6
=
;5 6
④14÷
×7 5 5 7
=14×
×5 7
,5 7
=7
;1 7
⑤3÷
-3 4
÷33 4
=3×
-4 3
×3 4
,1 3
=4-
,1 4
=3
;3 4
⑥(
+1 4
)÷2 5 13 15
=
×13 20
,15 13
=
.3 4