递等式计算(能简算的要简算).
(1)3÷0.05÷0.01
(2)13.8÷(23×0.5)
(3)1.053÷0.81-0.81
(4)59÷2.5÷0.4.
(1)3÷0.05÷0.01,
=3÷(0.05×0.01),
=3÷0.0005,
=6000;
(2)13.8÷(23×0.5),
=13.8÷11.5,
=1.2;
(3)1.053÷0.81-0.81,
=1.3-0.81,
=0.49;
(4)59÷2.5÷0.4,
=59÷(2.5×0.4),
=59÷1,
=59.
递等式计算(能简算的要简算).
(1)3÷0.05÷0.01
(2)13.8÷(23×0.5)
(3)1.053÷0.81-0.81
(4)59÷2.5÷0.4.
(1)3÷0.05÷0.01,
=3÷(0.05×0.01),
=3÷0.0005,
=6000;
(2)13.8÷(23×0.5),
=13.8÷11.5,
=1.2;
(3)1.053÷0.81-0.81,
=1.3-0.81,
=0.49;
(4)59÷2.5÷0.4,
=59÷(2.5×0.4),
=59÷1,
=59.