0.05×4= | 0.3×0.9= | 100×0.2= | 5.8×5= |
0.8×2.5= | 0.125×4= | 8.5×7= | 0.5×0.6= |
2.5×4= | 2.4×0.01= | 8×0.24= | 0.9×1.3= |
3.2×0.06= | 8×0.125= | 4.2×0.5= | 0.27×3= |
0.85×2= | 1.6×0.5= | 8.9×4= | 2.08×3= |
gisele0415 春芽
共回答了20个问题采纳率:85% 举报
0.05×4=0.20.3×0.9=0.27100×0.2=205.8×5=29
0.8×2.5=20.125×4=0.58.5×7=59.50.5×0.6=0.3
2.5×4=102.4×0.01=0.0248×0.24=1.920.9×1.3=1.17
3.2×0.06=0.1928×0.125=14.2×0.5=2.10.27×3=0.81
0.85×2=1.71.6×0.5=0.88.9×4=35.62.08×3=6.24
点评:
本题考点: 小数乘法.
考点点评: 此题主要考查小数运算的口算,根据它们的计算法则进行口算,注意小数点位置的变化.
1年前
你能帮帮他们吗