0.75+4.25=4.2×5= 4.7+2.3=6-3.4= 0.75×100=0.175+0.0225= 5.6÷100=2.5×4= 10-9.25=0.06×1.5= 0.3÷0.5=0.7×0.8= 1+0.01=0.1÷0.01= 2.1÷0.7=1-0.34=