㈠ 369369×37的简便计算
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㈡ 123123×90+369369×70用简便运算怎么做
先分解 123123×90+123123×70×3 再由乘法分配律得123123×(90+210)=36936900
㈢ 4.56+7.48
125×456÷7.89÷4.56×78.9÷1.25
=125÷1.25×456÷4.56×78.9÷7.89
=100×100×10
=100000
7.48×369369-3.69×748748
=7.48×369×1001-369÷100×7.48×1001×100
=0
㈣ 368×369369-369x368368简便计算
原式
=368x369x1001-369x368x1001
=368x(369x1001-369x1001)
=368x0
=0
㈤ 369369✖️8888➗1001➗1111怎样用筒便方法计算
369369✖️8888➗1001➗1111
=369×1001÷1001×8888÷1111
=369×8
=2952
㈥ 简便运算258*369369-258258*369
258*369369-258258*369
=258*36*1001-258*1001*369
=258*36*1001-258*36*1001
=0
㈦ 0.369369……用简便形式表示
原式等于0.369三六九循环.
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㈧ 123123x90 369369x70的简便计算
简便计算
123123x90+ 369369x70
=123123x3x30+369369x70
=369369x（30+70）
=369369x100
=36936900
㈨ 341-72+28怎样简便计算
341-72+28怎样简便计算
=340+1-70-2+30-2
=340-70+30+1-2-2
=270+30+1-4
=300-3
=297
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㈩ 7.48x369369一748748x3.69这道题怎样简便运算
=7.48×3.69x1001-7.48×1001×3.69
=0