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用递等式计算.(能简算的要简算)(1)4368÷42+58×37(2)43×25+25×47(3)65×(203-87÷29)(4)(187-87)×450÷150.
题目详情
用递等式计算.(能简算的要简算)
(1)4368÷42+58×37
(2)43×25+25×47
(3)65×(203-87÷29)
(4)(187-87)×450÷150.
(1)4368÷42+58×37
(2)43×25+25×47
(3)65×(203-87÷29)
(4)(187-87)×450÷150.
▼优质解答
答案和解析
(1)4368÷42+58×37,
=104+2146,
=2250;
(2)43×25+25×47,
=(43+47)×25,
=90×25,
=2250;
(3)65×(203-87÷29),
=65×(203-3),
=65×200,
=13000;
(4)(187-87)×450÷150,
=100×450÷150,
=45000÷150,
=300.
=104+2146,
=2250;
(2)43×25+25×47,
=(43+47)×25,
=90×25,
=2250;
(3)65×(203-87÷29),
=65×(203-3),
=65×200,
=13000;
(4)(187-87)×450÷150,
=100×450÷150,
=45000÷150,
=300.
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