375-34-55-11怎样简便运算?
375-34-55-11怎样简便运算?
375-34-55-11
=375-(34+55+11)
=375-(89+11)
=375-100
=275
希望帮到你 望采纳 谢谢 加油
34×27 34×72 34怎样简便运算
34x27+34x72+34
=34x(27+72+1)
=34x100
=3400
如有帮助请采纳,
如对本题有疑问可追问,Good luck!
45O+55o除11一365怎样简便运算
45O+55o除11一365怎样简便运算
=450+50-365
=500-365
=135
367×11怎样简便运算
367×11
=367×(10+1)
=367×10+367×1
=3670+367
=4037
137-11-34-50简便运算
137-11-34-50简便运算
=134+3-11-34-50
=100-8-50
=42
34乘52加34加68 怎样简便运算
34乘52加34加68
=34×52+34×2+34
=34×55
=34×50+34×5
=1700+170
=1870
99×22+33×34怎样简便运算
- 运用乘法分配律:
-
首先将99拆分为33×3,再将式子结合,计算步骤如下:
-
99×22+33×34
=33×3×22+33×34
=33×(66+34)
=33×100
=3300拓展内容
乘法分配律
-
两个数的和与一个数相乘,可以先把它们分别与这个数相乘,再将积相加这叫做乘法分配律。百度百科——乘法分配律
237-38-34-28怎样简便运算
237-38-34-28
=237-(38+34+28)
=237-100
=137
55×25+11×75简便运算
55×25+11×75简便运算
=(55+11x3)x25
=88x25
=80x25+8x25
=2000+200
=2200
34x199十34怎样简便运算
34x199十34
=34×(199+1)
=34×200
=6800
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