发布网友 发布时间:2024-09-25 18:08
共1个回答
热心网友 时间:1天前
(1)25×125×4×8
=25×4×125×8
=(25×4)×(125×8)
=100×1000
=100000;
(2)37×108-37×8
=37×(108-8)
=37×100
=3700;
(3)318×101
=318×(100+1)
=318×100+318×1
=31800+318
=32118;
(4)173+428+27
=173+27+428
=200+428
=628;
(5)88×29+88
=88×(29+1)
=88×30
=20;
(6)44×25
=(40+4)×25
=40×25+4×25
=1000+100
=1100.
热心网友 时间:1天前
(1)25×125×4×8
=25×4×125×8
=(25×4)×(125×8)
=100×1000
=100000;
(2)37×108-37×8
=37×(108-8)
=37×100
=3700;
(3)318×101
=318×(100+1)
=318×100+318×1
=31800+318
=32118;
(4)173+428+27
=173+27+428
=200+428
=628;
(5)88×29+88
=88×(29+1)
=88×30
=20;
(6)44×25
=(40+4)×25
=40×25+4×25
=1000+100
=1100.