0.64乘7.6加0.064乘24等于多少要有算 - 知识问答

0.64乘7.6加0.064乘24等于多少要有算式 7.48除5加2.52乘0.2等于多少要有算式简便方法计算

1个回答

0.64x7.6+0.064x24
=0.64x7.6+0.64x2.4
=0.64x(7.6+2.4)
=0.64x10
=6.4
7.48÷5+2.52x0.2
=7.48x0.2+2.52x0.2
=(7.48+2.52)x0.2
=10x0.2
=2
195÷11x132÷12
=195x(132÷11÷12)
=195x1
=195

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