问题
解答题
|
答案
(1)15÷
×5 9
×81 6
=15×
×9 5
×81 6
=27×
×81 6
=
×89 2
=36;
(2)
÷3+5 6
×1 6 1 3
=
×5 6
+1 3
×1 6 1 3
=(
+5 6
)×1 6 1 3
=1×1 3
=
;1 3
(3)
×101-1 9
÷1 9 1 2
=
×101-1 9
×21 9
=
×(101-2)1 9
=
×991 9
=11;
(4)(
+1 7
+1 5
)×701 14
=
×70+1 7
×70+1 5
×701 14
=10+14+5
=29;
(5)
÷1 56
+1 7
×755 56
=
×7+1 56
×755 56
=(
+1 56
)×755 56
=1×7
=7;
(6)
×5 7
÷1 6
×5 7 1 6
=
×5 7
×1 6
×7 5 1 6
=(
×5 7
)×(7 5
×1 6
)1 6
=1×1 36
=
.1 36