简便计算124×1.2+36.2×12+504×1.2+12
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简便计算124×1.2+36.2×12+504×1.2+12
简便计算124×1.2+36.2×12+504×1.2+12
简便计算124×1.2+36.2×12+504×1.2+12
124×1.2+36.2×12+504×1.2+12
= 124×1.2+504×1.2+10x 1.2 +362×1.2
= 1.2 x( 124 + 504 + 10 + 362 )
= 1.2 x 1000
= 1200
124×1.2+36.2×12+504×1.2+12
= 12.4×12+36.2×12+50.4×12+12
= (12.4+ 36.2+50.4+1)×12
=100×12
=1200
有什么不明白可继续追问
请及时选为满意答案,谢谢
124×1.2+36.2×12+504×1.2+12
=124×1.2+362×1.2+504×1.2+10*1.2
=(124+362+504+10)*1.2
=1000*1.2
=1200
祝你好运,学习进步,记得采纳哦。。。