问题
解答题
计算: ①
②15-〔1-(-10-4)〕 ③(-
④-14-[2-(-3)2]÷(-
|
答案
①原式=(
+2 3
)-(1 3
+1 6
)5 6
=1-1
=0;
②原式=15-1-10-4
=0;
③原式=(-
-3 4
+2 9
)×365 12
=-27-8+15
=-20;
④原式=-1-(2-9)×(-8)
=-1-56
=-57.
计算: ①
②15-〔1-(-10-4)〕 ③(-
④-14-[2-(-3)2]÷(-
|
①原式=(
+2 3
)-(1 3
+1 6
)5 6
=1-1
=0;
②原式=15-1-10-4
=0;
③原式=(-
-3 4
+2 9
)×365 12
=-27-8+15
=-20;
④原式=-1-(2-9)×(-8)
=-1-56
=-57.