96×69+23×14简便运算?
3个回答
展开全部
69为23的3倍
所以96x69+23x14
=96x3x23+23x14
=(96x3+14)x23
=(288+14)x23
=(300+2)x23
=6900+46
=6946
所以96x69+23x14
=96x3x23+23x14
=(96x3+14)x23
=(288+14)x23
=(300+2)x23
=6900+46
=6946
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展开全部
96×69+23×14
=96×69+23×12+23×2
=96×69+23×3×4+46
=96×69+69×4+46
=69×(96+4)+46
=6900+46
=6946
=96×69+23×12+23×2
=96×69+23×3×4+46
=96×69+69×4+46
=69×(96+4)+46
=6900+46
=6946
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展开全部
=96*3*23+23*14
=23*(96*3+14)
=23*(288+14)
=23*(300+2)
=23*300+23*2
=6900+46
=6946
应用乘法分配律简便运算
=23*(96*3+14)
=23*(288+14)
=23*(300+2)
=23*300+23*2
=6900+46
=6946
应用乘法分配律简便运算
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