2.25×1.8+27.5×0.18简算!
问题描述:
2.25×1.8+27.5×0.18简算!
答
2.25×1.8+27.5×0.18=2.25×1.8+2.75×1.8=1.8×(2.25+2.75)=1.8×5=9
2.25×1.8+27.5×0.18简算!
2.25×1.8+27.5×0.18=2.25×1.8+2.75×1.8=1.8×(2.25+2.75)=1.8×5=9