9.9÷(1.1-0.9)
5.4×6.7+3.3×5.4
39÷1.25÷8
4(x+0.3)=4.8
1.2x-0.4x=9.6
1.5×8-2x=6
1.2÷4=
0.42÷7=
6.8+8.6=
0.9+2.01=
3÷4=
8.1÷9=
2.5×4=
6-0.025=
17×40=
100- 63 =
3.2+1.68 =
2.8×0.4=
14-7.4=
1.92÷0.04=
0.32×500=
0.65+4.35=
10-5.4=
4÷20=
3.5×200=
1.5-0.06=
0.75÷15=
0.4×0.8=
4×0.25=
0.36+1.54=
1.01×99=
420÷35=
25×12=
135÷0.5=
0.51÷17=
32.8+19=
①0.175÷0.25×4
②1.19÷1.4-2.7×0.28
③102×0.45
④1.25×2.5×3.2
⑤5.4×3.2+3.2+3.2×3.6
⑥80-23.29-36.71
7.8+2.2×1.5
10.58﹣2.42﹣7.58
30﹣14÷2.5×4
7.3×7.3﹣7.3+7.3×3.7
8×(1.25+2.5)×4
9÷[(6.4+3.6)×1.8÷0.1]
0.366 8.2×0.98.2
3.24÷0.73.24 5.2÷1005.2×0.01
2×0.8= 75﹣20= ×12= 42÷=
+= 1.5÷3= 501×100≈ ×0÷=