计算(1)23-17-(-7)+(-16)(2)26×58?2618-26×(-14)(3)(14-19-112 )×(-36)÷(-2)(4)
计算(1)23-17-(-7)+(-16)(2)26×58?2618-26×(-14)(3)(14-19-112)×(-36)÷(-2)(4)-3×(-23)2-22×(...
计算(1)23-17-(-7)+(-16)(2)26×58?2618-26×(-14)(3)(14-19-112 )×(-36)÷(-2)(4)-3×(-23)2-22×(23-1)-8÷(-23)3.
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(1)原式=23-17+7-16=6+7-16=13-16=-3;
(2)原式=26×(
-
+
)=26×(
+
)=26×
=
;
(3)原式=(
-
-
)×(-36)×(-
)=(
-
-
)×18=
-2-=
=1;
(4)原式=-3×
-4×(-
)-8÷(-
)=-
+
+8×
=27.
(2)原式=26×(
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(3)原式=(
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(4)原式=-3×
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