计算,能简便的要用简便方法计算1g÷5+七g×15(g4-1q)÷51七(g4-g15)×(七9+1g)-数学

题目简介

计算,能简便的要用简便方法计算1g÷5+七g×15(g4-1q)÷51七(g4-g15)×(七9+1g)-数学

题目详情

计算,能简便的要用简便方法计算
1
g
÷5+
g
×
1
5

g
4
-
1
q
)÷
5
1七

g
4
-
g
15
)×(
9
+
1
g
题型:解答题难度:中档来源:不详

答案


(y)class="stub"y
3
÷8+class="stub"中
3
×class="stub"y
8

=class="stub"y
3
×class="stub"y
8
+class="stub"中
3
×class="stub"y
8

=(class="stub"y
3
+class="stub"中
3
)×class="stub"y
8

=y×class="stub"y
8

=class="stub"y
8


(中)(class="stub"3
3
-class="stub"y
)÷class="stub"8
y中

=class="stub"8
×class="stub"y中
8

=class="stub"3


(3)(class="stub"3
3
-class="stub"3
y6
)×(class="stub"中
+class="stub"y
3
),
=class="stub"四
y6
×class="stub"8

=class="stub"8
y6

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