计算.(1-0.02×2)÷
1.76除以0.74目录
1.76-[(0.74 0.26)除0.8=
1.76-[(0.74 0.26)除0.8
=1.76-(1÷0.8)
=1.76-1.25
=0.51
计算.(1-0.02×2)÷
(1)(1-0.02×2)÷0.96
=(1-0.04)÷0.96
=0.96÷0.96
=1;
(2)0.5 1÷1 0.5
=0.5 1 0.5
=1.5 0.5
=2;
(3)0.26 0.8 0.74 0.2
=(0.26 0.74) (0.8 0.2)
=1 1
=2;
(4)[0.9-(0.5 0.4)]×47
=[0.9-0.9]×47
=0×47
=0;
(5)2.76-0.84-0.32÷2
=2.76-0.84-0.16
=2.76-(0.84 0.16)
=2.76-1
=1.76.
3除以170的百分比
约1.8%
3÷170100%
而得来的
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