5.03+15.7=20.73 10-9.03=0.97 1.07×0.06=0.0642 11.2×0.4=4.48 2.15×3=6.45
3÷4=0.75 5.2÷0.4=13 1.2÷0.8=1.5 2.5×6.2×0.4=6.2 17.1×2.4+17.1×7.6=171
5.03+15.7=20.73 10-9.03=0.97 1.07×0.06=0.0642 11.2×0.4=4.48 2.15×3=6.45
3÷4=0.75 5.2÷0.4=13 1.2÷0.8=1.5 2.5×6.2×0.4=6.2 17.1×2.4+17.1×7.6=171