问题
解答题
|
答案
(1)455×7
+111÷3 5
+43.3×76,5 96
=455×7.6+111×19.2+43.3×76,
=7.6×(455+433)+111×19.2,
=7.6×888+111×19.2,
=111×(60.8+19.2),
=111×80,
=8880;
(2)1
-[(3.62×2 3
+6.38÷72 15
)×1.82-11 2
×0.82],1 3
=1
-[2 3
×(3.62+6.82)×1.82-12 15
×0.82],1 3
=1
-[12 3
×(1.82-0.82)],1 3
=1
-12 3
,1 3
=
.1 3