Question

简便计算． 0.25×（4-0.

Answer 1

简便计算． 0.25×（4-0.

（1）0.25×（4-0.2）
=0.25×4-0.25×0.2
=1-0.05
=0.95；

（2）9.54-5.54-2.46
=9.54-（5.54+2.46）
=9.54-8
=1.54．

0.25×23.4×4用简便计算

原式=0.25×4×23.4
=1×23.4
=23.4

1.9×0.25 2.1÷4简便计算

1.9×0.25 2.1÷4简便计算
1.9×0.25 2.1÷4
=1/4*（1.9+2.1）
=1/4*4
=1

4^-8*0.25^-6简便计算

全部转化为2的幂就好了，而且你的式子应该是这样的吧4的-8次方乘以0.25的-6次方吧，结果为2的-4次方。

23.13÷（23.13÷0.25）×4简便计算

23.13÷（23.13÷0.25）×4
=23.13÷（23.13/0.25）×4
=23.13×（0.25/23.13）×4
=1

(4+8+12)*0.25 简便计算

(4+8+12)*0.25
=4*0.5+8*0.25+12*0.25
=1+2+3
=6

0.25×0.73×40.25×16.2×4简便计算

0.25×0.73×40.25×16.2×4
=(0.25×4)×0.73×40.25×16.2
=0.73*161*4.05
=(1-0.3+0.03)*161*4.05
=(161-48.3+4.83)*4.05
=117.53*(4+0.05)
=470.12+5.8765
=475.9965

0.25×26.3-16.3÷4简便计算

0.25x26.3-16.3÷4
=0.25x26.3-16.3x0.25
=0.25x（26.3-16.3）
=0.25x10
=2.5

21.5+0.25×5.6×4简便计算

=21.5+（0.25x4）x5.6
=21.5+1x5.6
=21.5+5.6
=27.1

5.76÷0.25＋4.24×4 简便计算

5.76÷0.25＋4.24×4
=5.76×4＋4.24×4
=（5.76+4.24）×4
=10×4
=40