计算
0.07×0.4=
0.07×0.9=
1.9×0.2=
1.8×0.5=
0.6×0.04=
1.7×0.3=
8.5×0.2=
4.04×0.6=
600×0.05=
800×0.06=
4.2×0.7=
800×0.05=
70×0.06=
3.5×2=
0.35×0.2=
0.001×100=
2.02×5=
2.8×0.3=
20×0.15=
0.2×4.7=
1.7×0.6=
2.4×5=
2.5×4=
30×1.5=
2.3×0.6=
0.35×20=
在○里填上“＞”“＜”或“=”
2.1×0.7○2.1
5.3×1.4○5.3
3.1×1.8○3.1
0.74×0.3○0.74
8.4×2.5○8.4
0.45×2.6○0.45
5.7×1.3○5.7
0.46×3.5○3.5
4.3×2.1○2.1
0.9×4.5○4.5
0.9×4.5○0.9
8×1.005○8

0.07×0.4=0.028
0.07×0.9=0.063
1.9×0.2=0.38
1.8×0.5=0.9
0.6×0.04=0.024
1.7×0.3=0.51
8.5×0.2=1.7
4.04×0.6=2.424
600×0.05=30
800×0.06=48
4.2×0.7=2.94
800×0.05=40
70×0.06=4.2
3.5×2=7
0.35×0.2=0.07
0.001×100=0.1
2.02×5=10.1
2.8×0.3=0.84
20×0.15=3
0.2×4.7=0.94
1.7×0.6=1.02
2.4×5=12
2.5×4=10
30×1.5=45
2.3×0.6=1.38
0.35×20=7
2.1×0.7＜2.1
5.3×1.4＞5.3
3.1×1.8＞3.1
0.74×0.3＜0.74
8.4×2.5＞8.4
0.45×2.6＞0.45
5.7×1.3＞5.7
0.46×3.5＜3.5
4.3×2.1＞2.1
0.9×4.5＜4.5
0.9×4.5＞0.9
8×1.005＞8

把算式的序号填写在相应的苹果内
①$1.25×3$ ②$1.5×1.2$ ③$0.8×0.2$
④$1.2×0.5$ ⑤$3.2×1.3$ ⑥$1.1×0.8$
⑦$1.8×0.49$ ⑧$0.001×1000$ ⑨$2.4×0.3$
积比“1”大的算式
积比“1”小的算式

积比“1”大的算式：①②⑤
积比“1”小的算式：③④⑥⑦⑨