7.5*46.7+59.9*2.5

来源：学生作业帮助网 编辑：作业帮 时间：2024/07/19 16:52:41
7.5*46.7+59.9*2.5
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7.5*46.7+59.9*2.5
7.5*46.7+59.9*2.5

7.5*46.7+59.9*2.5
7.5*46.7+59.9*2.5
=2.5*3*46.7+59.9*2.5
=2.5*140.1+59.9*2.5
=2.5*(140.1+59.9)
=2.5*200
=500

7.5*46.7+59.9*2.5
=2.5*3*46.7+59.9*2.5
=2.5*140.1+59.9*2.5
=2.5*（140.1+59.9）
=2.5*200
=500

原式=2.5*3*46.7+2.5*59.9
=2.5*140.1+2.5*59.9=2.5*200=500

7.5*46.7+59.9*2.5 7.5*46.7+59.9*2.5的简便计算怎么写 7.5×46.7+39.9×2.5等于多少（简便运算） 7/16*40-5/16/1/40 简便计算7.5*46.7+52.3*7.5+7.5 简便运算 简便计算 2.5+7.5-2.5+7.5 7.5+2.35-7.5+2.5的简便计算 简算,并写出简算过程.23-12/17-5/1744×（5/11+3/4）7.5×46.7+52.3×7.5+7.5注意：/=几分之几 7.5除以2.5+7.5除以7.5 简便计算的过程 用简便计算.加:2.5+7.5-2.5+7.5 7.5*13+31*2.5咋简算 0.85*16-2.5+7.5简算 巧算28.45-7.5+2.55+2.5 7.5:2.5比值是几 7.5*2.3+1.9*2.5(简算) 59.9什么意思? 已知13.5x-7.5=53.25,求2.5x+7.5 7.5*98+99*2.5+7.5怎么巧算 7.5×8.88+2.22×7.5+2.5×11.1= 【简便运算,