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计算下面各题,能简便的用简便方法计算.25×36×4135×99203-135÷597-12×6+4349×99+495620÷(562×5)37+125+63+175175+25÷25+15125×32×25156×l0l-156.
题目详情
计算下面各题,能简便的用简便方法计算. 25×36×4 | 135×99 | 203-135÷5 |
97-12×6+43 | 49×99+49 | 5620÷(562×5) |
37+125+63+175 | 175+25÷25+15 | 125×32×25 |
156×l0l-156. |
计算下面各题,能简便的用简便方法计算. 25×36×4 | 135×99 | 203-135÷5 |
97-12×6+43 | 49×99+49 | 5620÷(562×5) |
37+125+63+175 | 175+25÷25+15 | 125×32×25 |
156×l0l-156. |
25×36×4
25×36×4
▼优质解答
答案和解析
(1)25×36×4,
=25×4×36,
=100×36,
=3600;
(2)135×99,
=135×(100-1),
=135×100-135×1,
=13500-135,
=13365;
(3)203-135÷5,
=203-27,
=176;
(4)97-12×6+43,
=97-72+43,
=25+43,
=68;
(5)49×99+49,
=49×(99+1),
=49×100,
=4900;
(6)5620÷(562×5),
=5620÷562÷5,
=10÷5,
=2;
(7)37+125+63+175,
=(37+63)+(125+175),
=100+300,
=400;
(8)175+25÷25+15,
=175+1+15,
=176+15,
=191;
(9)125×32×25,
=125×(4×8)×25,
=(125×8)×(4×25),
=1000×100,
=100000;
(10)156×l0l-156,
=156×(l00-1),
=156×100,
=15600.
(1)25×36×4,
=25×4×36,
=100×36,
=3600;
(2)135×99,
=135×(100-1),
=135×100-135×1,
=13500-135,
=13365;
(3)203-135÷5,
=203-27,
=176;
(4)97-12×6+43,
=97-72+43,
=25+43,
=68;
(5)49×99+49,
=49×(99+1),
=49×100,
=4900;
(6)5620÷(562×5),
=5620÷562÷5,
=10÷5,
=2;
(7)37+125+63+175,
=(37+63)+(125+175),
=100+300,
=400;
(8)175+25÷25+15,
=175+1+15,
=176+15,
=191;
(9)125×32×25,
=125×(4×8)×25,
=(125×8)×(4×25),
=1000×100,
=100000;
(10)156×l0l-156,
=156×(l00-1),
=156×100,
=15600.
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