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类型二:(注意:两个积中相同的因数只能写一次)36×34+36×6675×23+25×2363×43+57×6393×6+93×4325×113-325×1328×18-8×28.

题目详情
类型二:(注意:两个积中相同的因数只能写一次)
36×34+36×66 75×23+25×23 63×43+57×63
93×6+93×4 325×113-325×13 28×18-8×28.
▼优质解答
答案和解析
(1)36×34+36×66
=36×(34+66)
=36×100
=3600

(2)75×23+25×23
=(75+25)×23
=100×23
=2300

(3)63×43+57×63
=63×(43+57)
=63×100
=6300

(4)93×6+93×4
=93×(6+4)
=93×10
=930

(5)325×113-325×13
=325×(113-13)
=325×100
=32500

(6)28×18-8×28
=28×(18-8)
=28×10
=280