①1.25×0.4×2.5×8
②9.9×101
③4.2×2.4+7.6×4.2
④46.8-7.9-8.1
1÷0.25= 0.39÷3= 4.6×5÷4.6×2=
1.25×0.8= 0.46+0.4= 12.8+7.5-12.8+7.5=
0.25÷2.5=
1.25×0.8=
3.9÷0.1=
3.6-3.6÷9=
0.24×0.5=
3.6+4=
0.32-0.02=
0.25×4÷0.25×4=
60×0.2=
0.48÷6=
10÷0.05=
0.05×20=
0.5×0.6=
0÷7.12=
6.8+0.02=
3﹣1.9=
2.7÷1=
12.5×8×4=
①9.1÷0.13÷0.25
②1.8×25+24÷1.5
③(18.6+12.6)÷4
2.5×1.6×4×5
9.4×2.5+7.5×9.4
4÷(2.1-2.09)×2.5
①8.65×1.2+1.35×1.2
②5.6×1.25
③2.5×(4+0.6)
④21.6×99+21.6
⑤1.56×101
⑥7.5×1.25×2×8