一、直接寫(xiě)出得數(shù)。
0.3×0.7= 1.5×0.4=
0.93×100= 4.5×0.01=
0.2×0.26= 0.08×10=
100×0.09= 80×0.02=
8×0.125= 1.5-0.5×0.5=
二、比較大小。
7.56×0.9()7.56 31.4×1.2()31.4 0.9×0.9()1 5.2×1.6()0.52×16 6.5×0.8()6.5×0.9
三、豎式計(jì)算。(得數(shù)保留兩位小數(shù))
2.9×7.5 0.62×500
0.25×10.8 0.49×0.86
四、用你喜歡的方法計(jì)算下面各題。
1.72+0.28×3 1.25×8.37×0.8
0.34×99 7.83×99+7.83
6.28×7.2+2.8×6.28
(2.7+2.7+2.7+2.7)×2.5
0.3×0.7= 1.5×0.4=
0.93×100= 4.5×0.01=
0.2×0.26= 0.08×10=
100×0.09= 80×0.02=
8×0.125= 1.5-0.5×0.5=
二、比較大小。
7.56×0.9()7.56 31.4×1.2()31.4 0.9×0.9()1 5.2×1.6()0.52×16 6.5×0.8()6.5×0.9
三、豎式計(jì)算。(得數(shù)保留兩位小數(shù))
2.9×7.5 0.62×500
0.25×10.8 0.49×0.86
四、用你喜歡的方法計(jì)算下面各題。
1.72+0.28×3 1.25×8.37×0.8
0.34×99 7.83×99+7.83
6.28×7.2+2.8×6.28
(2.7+2.7+2.7+2.7)×2.5