b) 0,028⋅5+0,0016−(−0,5)2+2,4:0,6=
−3.57
Step 1 :0.028⋅5=0.14
Step 2 :0.0016=0.04
Step 3 :(−0.5)2=0.25
Step 4 :2.4÷0.6=4
Step 5 :0.14+0.04+0.25−4=−3.57
Step 6 :−3.57