问题
解答题
简便计算:
(
(
34÷35×36;
|
答案
×10 11
×13×11,1 13
=
×11×10 11
×13,1 13
=10×1,
=10;
(
+2 5
)×3 10
,10 3
=
×2 5
+10 3
×3 10
,10 3
=1
+1,1 3
=2
;1 3
×21+28×13 49
,13 49
=(21+28)×
,13 49
=49×
,13 49
=13;
×17 21
+3 4
×8 21
-3 4
,3 4
=(
+17 21
-1)×8 21
,3 4
=
×4 21
,3 4
=
;1 7
(
+3 4
)×8×4,5 8
=
×4×8+3 4
×8×4,5 8
=24+20,
=44;
34÷35×36,
=
×(35+1),34 35
=
×35+34 35
×134 35
=34+
,34 35
=34
;34 35
×8 11
+7 25
×7 11
,3 25
=
×7 11
+8 25
×7 11
,3 25
=
×(7 11
+8 25
),3 25
=
×7 11
,11 25
=
.7 25