题目
简便计算.
(1)32×(100+2)
(2)72×29+72
(3)48×11
(4)325×101.
(1)32×(100+2)
(2)72×29+72
(3)48×11
(4)325×101.
提问时间:2020-11-22
答案
(1)32×(100+2)
=32×100+32×2
=3200+64
=3264;
(2)72×29+72
=72×(29+1)
=72×30
=2160;
(3)48×11
=48×(10+1)
=48×10+48×1
=480+48
=528;
(4)325×101
=325×100+325×1
=32500+325
=32825.
=32×100+32×2
=3200+64
=3264;
(2)72×29+72
=72×(29+1)
=72×30
=2160;
(3)48×11
=48×(10+1)
=48×10+48×1
=480+48
=528;
(4)325×101
=325×100+325×1
=32500+325
=32825.
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