6× ×2
10-3.8= 2.8+8.2= 1.2÷0.4= 0.88×10= 1.25×11×8=
+ = × = 53= ÷4= 120×( - )=
375+25= 4.5×6= 36×25%= 798+204≈
3- = 632÷69≈
3.6+ = 0.25×2³= 810÷30= 12-4.4-5.6=