1) 50-31,6=18,4.
2)56,12:18,4=3,05
3)3,05*5,7=17,385
4) 70,3+17,385=87,685
1.50-31.6=18.4
2.56.12÷18.4=3.05
3.3.05·5.7=17.385
4.70.3+17.385=87.685
1) 50-31,6=18,4.
2)56,12:18,4=3,05
3)3,05*5,7=17,385
4) 70,3+17,385=87,685
1.50-31.6=18.4
2.56.12÷18.4=3.05
3.3.05·5.7=17.385
4.70.3+17.385=87.685