问题
解答题
简算
|
答案
(1)11.82÷(3.94+2×3.94),
=11.82÷[3.94×(1+2)],
=11.82÷[3.94×3],
=11.82÷11.82,
=1;
(2)
-8 15
+17 29
-7 15
.12 29
=
+8 15
-(7 15
+17 29
),12 29
=1-1,
=0.
简算
|
(1)11.82÷(3.94+2×3.94),
=11.82÷[3.94×(1+2)],
=11.82÷[3.94×3],
=11.82÷11.82,
=1;
(2)
-8 15
+17 29
-7 15
.12 29
=
+8 15
-(7 15
+17 29
),12 29
=1-1,
=0.