
脱式计算,能简算的要简算.78÷23×49413×25+35÷13456÷(34?13)×3236×(23+16-14
脱式计算,能简算的要简算.78÷23×49413×25+35÷13456÷(34?13)×3236×(23+16-14)...
脱式计算,能简算的要简算.78÷23×49413×25+35÷13456÷(34?13)×3236×(23+16-14)
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(1)
÷
×
=
×
×
,
=
;
(2)
×
+
÷
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(3)
÷(
-
)×
=
÷
×
,
=
×
×
,
=3;
(4)36×(
7 |
8 |
2 |
3 |
4 |
9 |
=
7 |
8 |
3 |
2 |
4 |
9 |
=
7 |
12 |
(2)
4 |
13 |
2 |
5 |
3 |
5 |
13 |
4 |
=
4 |
13 |
2 |
5 |
3 |
5 |
4 |
13 |
=(
2 |
5 |
3 |
5 |
4 |
13 |
=1×
4 |
13 |
=
4 |
13 |
(3)
5 |
6 |
3 |
4 |
1 |
3 |
3 |
2 |
=
5 |
6 |
5 |
12 |
3 |
2 |
=
5 |
6 |
12 |
5 |
3 |
2 |
=3;
(4)36×(