计算下面各题,怎样简便就怎样算.(125+7)×8 3700÷25÷4 ...
计算下面各题,怎样简便就怎样算.(125+7)×83700÷25÷43.27+6.3+2.73+4.719×25-9×2525×447.54-0.68-1.3212×(3...
计算下面各题,怎样简便就怎样算.(125+7)×8 3700÷25÷4 3.27+6.3+2.73+4.7 19×25-9×25 25×44 7.54-0.68-1.32 12×(324-285)÷26 9.53-3.75+0.47
展开
1个回答
展开全部
(1)(125+7)×8
=125×8+7×8
=1000+56
=1056;
(2)3700÷25÷4
=3700÷(25×4)
=3700÷100
=37;
(3)3.27+6.3+2.73+4.7
=(3.27+2.73)+(6.3+4.7)
=6+11
=17;
(4)19×25-9×25
=(19-9)×25
=10×25
=250;
(5)25×44
=25×(40+4)
=25×40+25×4
=1000+100
=1100;
(6)7.54-0.68-1.32
=7.54-(0.68+1.32)
=7.54-2
=5.54;
(7)12×(324-285)÷26
=12×39÷26
=468÷26
=18;
(8)9.53-3.75+0.47
=5.78+0.47
=6.25.
=125×8+7×8
=1000+56
=1056;
(2)3700÷25÷4
=3700÷(25×4)
=3700÷100
=37;
(3)3.27+6.3+2.73+4.7
=(3.27+2.73)+(6.3+4.7)
=6+11
=17;
(4)19×25-9×25
=(19-9)×25
=10×25
=250;
(5)25×44
=25×(40+4)
=25×40+25×4
=1000+100
=1100;
(6)7.54-0.68-1.32
=7.54-(0.68+1.32)
=7.54-2
=5.54;
(7)12×(324-285)÷26
=12×39÷26
=468÷26
=18;
(8)9.53-3.75+0.47
=5.78+0.47
=6.25.
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询