Simple calculation of 0.75 × 25 △ 0.250.51 △ 7.1-0.02

Simple calculation of 0.75 × 25 △ 0.250.51 △ 7.1-0.02

0.75×25÷0.25=0.25×(3×100÷1)=75
0.51÷7.1-0.02=0.51-0.02×7.1=0.368