79﹣8×7 32÷4×9 (81﹣45)÷6
=
82=6 255=30 66=1 99=81
(29+27)÷7 86+4×6 81÷(26﹣17)
①40÷8×9
②9×(3+3)
③63÷(26-19)
④70-9×3
⑤(32+16)÷8
⑥7×8+26
□÷=〇••••••4最小是
﹣ = + = 0.25+ = ﹣ = 4×2.5=
0×98.56= 45×11= 0.85﹣15%= 0.65×101﹣0.65=
×10÷ ×10=