65×64+35×64=
125×37×8=
=+
= 12.45-(1.35+0.65)
= 12.45-2
=10.45
=21.32-6.32+8.3
= 15+8.3
=23.3
①32÷4+75
②80-7×9
③60-27+13
④(90-27)÷7
⑤45+8×4
⑥(25+23)÷8
① × + ×
②62.5%× + ×
③( + )×72
④ × ÷( - )
⑤( +2.4÷ )÷0.7
⑥ × + ÷
6.8-0.08= 4.9÷0.01= 4.6-4.6÷4.6=
4.5+0.55= 0.37×20= 0.18×2.5 ÷0.18×2.5=
①0.8×2.5×0.4×12.5
②6.3×101-6.3
③7.85×99
④3.6÷0.4+2.3×6
⑤7.56÷3.6÷1.4
⑥9.6×0.66-5.6×0.96
①9.74÷2.5÷0.4
②56.7÷0.5×0.4
③84.6-4.2÷0.25
④9.36÷(1.37-0.89)
⑤40.5÷0.5+10.75
⑥45.6÷6÷0.5