问题
解答题
计算:
(1)600÷12+22×30
(2)105×32
(3)4×43×25.
答案
(1)600÷12+22×30,
=50+660,
=710;
(2)105×32,
=(100+5)×32,
=100×32+5×32,
=3200+160,
=3360;
(3)4×43×25,
=4×25×43,
=100×43,
=4300.
计算:
(1)600÷12+22×30
(2)105×32
(3)4×43×25.
(1)600÷12+22×30,
=50+660,
=710;
(2)105×32,
=(100+5)×32,
=100×32+5×32,
=3200+160,
=3360;
(3)4×43×25,
=4×25×43,
=100×43,
=4300.