7.43-3.6=
4.8+0.72=
1.08×5.6≈
7.5 -4.3 =
2.18+6.72=
13.5-1.5=
0.47 +6=
9.6 -3.5 =
6.3+3.6=
0.95-0.32 =
2.4+7.3=
24×50=
13×7=
305+299=
297-75-25=
7×5÷7×5=
12×800=
9000÷50=
50×700=
113+290+110=
75+25×4=
⑴520+480÷16+84 ⑵9000÷125÷8
⑶73×15-5×73 ⑷101×85-85
⑸125×32×25 ⑹46×54+54×54
⑺8000÷(48-8×5) ⑻8000÷[(48-8)×5]
①8+19.2=
②100.4+26.76=
﹣ = + = 0.25+ = ﹣ = 4×2.5=
0×98.56= 45×11= 0.85﹣15%= 0.65×101﹣0.65=
×10÷ ×10=