158÷40= ☆13.65÷7.5=
1.02×0.5=
1.25×0.8=
0.58+0.42=
36.12÷4=2
10-9.35=
9.9+0.1÷10=
2.44÷0.4=
0.3÷0.3×0.3÷0.3=
3.52×0.93.52 0.8×7.67.6
16.8÷0.2516.8 4÷11
1.68×0.65= 2.49×7.2=
0.63÷0.21= 3.14÷0.82≈ (保留两位小数)
0.84×0.45= 41.9÷0.75≈ (精确到百分位)
31.5×0.931.5 5.42÷0.95.42 0.98×10.98
2.5×0.82.5÷0.8 3.56÷1.013.56 4.95÷14.95