题目内容
【题目】
13×3+8= 46×2+6= 100﹣25×4=
80×5+20= 20+30÷6= 180÷9﹣18=
【答案】47,98,0,420,25,2
【解析】
试题分析:本题根据四则混合运算的运算顺序计算可:先算乘除,再算加减.
解:13×3+8=47, 46×2+6=98, 100﹣25×4=0,
80×5+20=420, 20+30÷6=25, 180÷9﹣18=2.
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= = | = = . |