15.39×4.62+53.8×1.539简算
15.39×4.62+53.8×1.539简算
原式=10*1.539*4.62+10*5.38*1.539=10*1.539*(4.62+5.38)=15.39*10=153.9
3.6除以4.62简算
3.6÷(4+0.62)
=3.6÷4+3.6÷0.62
=0.9+5.8064
=6.7064
5.38-6.72 4.62怎么简算
6.72和4.62之间可能是加号+。利用加法的交换律结合律,可以先加后减,写成5.38+4.62-6.72=10-6.72=
5.4÷匚(4.62一1.92)x4]简算
5.4÷【(4.62一1.92)x4】
=5.4÷【2.7×4】
=5.4÷2.7÷4
=2÷4
=0.5
5.38 7.37 4.62的简算方法
5.38+ 7.37+ 4.62
=5.38+ 4.62+ 7.37
=10+7.37
=17.37
5.38- 7.37+ 4.62
=5.38+ 4.62-7.37
=10-7.37
=2.63
谢谢,请采纳
53.8-1.64-13.8-5.36简算是什么
53.8-1.64-13.8-5.36
=(53.8-13.8)-(1.64+5.36)
=40-7
=33
4.62除以0.7 +16.9递等式简算
4.62÷0.7+16.9
=6.6+16.9
=23.5
简算 4.62+4.58+4.54+……+0.62的计算过程
这是个等差数列,首项=4.62,末项=0.62,公差(每两个连续的数相差)=4.62-4.58=0.04,
项数=(4.62-0.62)÷0.04+1=101,一共101个数。
4.62+4.58+4.54+……+0.62=(4.62+0.62)×101÷2=264.62
452x66.7 66.7x53.8 66.7如何简算?
45.2x66.7 + 66.7x53.8 + 66.7
=66.7 x (45.2 + 53.8 + 1)
=66.7 x 100
=6670
希望我的回答对您有帮助,满意请采纳,谢谢。
用简便方法计算4.62×99+4.62=
用简便方法计算
4.62×99+4.62
=4.62×(99+1)
=4.62×100
=462