计算:(1)-3+5.3+7-5.3(2)(?2)×32÷(?34)×4(3)?16?|?5|+2×(?12)2(4)(13?14)÷(?112)+(?3)3÷(
计算:(1)-3+5.3+7-5.3(2)(?2)×32÷(?34)×4(3)?16?|?5|+2×(?12)2(4)(13?14)÷(?112)+(?3)3÷(?3)(...
计算:(1)-3+5.3+7-5.3(2)(?2)×32÷(?34)×4(3)?16?|?5|+2×(?12)2(4)(13?14)÷(?112)+(?3)3÷(?3)(5)?12+12÷[(?112)3+(?12)2]×|?2.52|?12.
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和也尾七T6
推荐于2016-06-11
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(1)-3+5.3+7-5.3
=-8.3+12.3
=4;
(2)
(?2)×÷(?)×4=2×
×
×4
=16;
(3)
?16?|?5|+2×(?)2=-1-5+2×
=-1-5+
=-5
;
(4)
(?)÷(?)+(?3)3÷(?3)=﹙
-
﹚×﹙-12﹚+﹙-3﹚
2=-4+3+9
=8;
(5)
?+÷[(?1)3+(?)2]×|?2.52|?=-
+
÷[-
+
]×
-
=-
+
×﹙-
﹚×
-
=-
-1-
=-2.
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