问题
解答题
|
答案
(1)36×(
+2 3
-1 6
)3 4
=36×
+36×2 3
-36×1 6 3 4
=24+6-27
=3;
(2)
÷5+1 3
×2 3 1 5
=
×1 3
+1 5
×2 3 1 5
=(
+1 3
)×2 3 1 5
=1×1 5
=
;1 5
(3)(
-3 4
)×(3 16
+2 9
)1 3
=
×9 16 5 9
=
;5 16
(4)25×
+37×37 43 18 43
=25×
+18×37 43 37 43
=(25+18)×37 43
=43×37 43
=37;
(5)
÷15 17
×5 8 34 39
=
×15 17
×8 5 34 39
=
;16 13
(6)87×3 86
=(86+1)×3 86
=86×
+3 86 3 86
=3+3 86
=3
.3 86