462ⅹ13-26简便运算(运算律)

2025-04-13 03:09:34
推荐回答(2个)
回答1:

462ⅹ13-26简便运算(运算律)
=462x13-13x2
=(462-2)x13
=460x(10+3)
=460x10+460x3
=4600+1380
=5980

回答2:

462ⅹ13-26
=462×13-2×13
=(462-2)×13
=460×13
=5980
乘法结合律