小學(xué)四年級(jí)數(shù)學(xué)上冊(cè)期中試題
2025-10-17
一、請(qǐng)你口算。(8%) 0.38+0.06=(155+20)-65=64.2+5.7=543-27-73= 0.97-0.09=12.8-9.86=17.05-4.58=9800254= 3.5+0.6=5-0.15=4.35+5.36=9966+66= 0.81+0.09=078=50-205=35254= 二、請(qǐng)用遞等式計(jì)算。(12%)...
2025-10-17
一、請(qǐng)你口算。(8%) 0.38+0.06=(155+20)-65=64.2+5.7=543-27-73= 0.97-0.09=12.8-9.86=17.05-4.58=9800254= 3.5+0.6=5-0.15=4.35+5.36=9966+66= 0.81+0.09=078=50-205=35254= 二、請(qǐng)用遞等式計(jì)算。(12%)...