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计算下列各题 能简算的要简算.96×45-36÷54+45×4049÷[(13-19)×2]
问题详情
96×
参考答案
96×45-36÷54+45×40,
=96×45-36×45+45×40,
=(96-36+40)×45,
=100×45,
=80;
49÷[(13-19)×2],
=49÷[(39-19)×2],
=49÷[29×2],
=49÷49,
=1;
35×25%+35×34,
=(25%+34)×35,
=(14+34)×35,
=1×35,
=35;
34+79+14-49,
=(34+14)+(79-49),
=1+13,
=113;
27×59+27÷94,
=27×59+27×49,
=(59+49)×27,
=1×27,
=27;
(1112-37)-(47-712),
=1112-37-47+712,
=(1112+712)-(37+47),
=32-1,
=12.
考点: