8888×56-4444×12简便运算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 08:18:30
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8888×56-4444×12简便运算
8888×56-4444×12
简便运算
8888×56-4444×12简便运算
8888×56-4444×12
=4444×2×56-4444×12
=4444×(2×56-12)
=4444×100
=444400
8888*56-4444*12=8888*56-8888*6=8888*50=444400
解:8888×56-4444×12
=4444×2×56-4444×12
=4444×(2×56-12)
=4444×100
=444400
原式=4444*2*7*2*2*2+4444*2*3*2
=4444*4(28-3)
=4444*4*25
=4444*100
=444400