六年级数学下册口算练习题74×15= 63÷3= 0
09= 125 + 4= 125×24= 140÷35= 199 +226= 250-98= 5389÷62≈ 37×71≈ 493+219≈ 344-189≈ ×= += ÷ = - = 7
8÷98= 0
125×21×8 = 40+660= 675-298 = 5
7-7 =25×16 = 420÷60 = 2
4=+ = - = × 2 = ÷ =1-15% = 35%+45%= 26×101= 300÷12= 193+380≈ 506-317≈ 128×23≈ 241÷39≈+= += 4-= -=12×= ×= ÷6= ÷=+= += ×= ÷=+= -= += -=×7= ÷4= ×= ÷=+ = - = ×= ÷=+= += 3—= —=24×= × = 6 ÷= ÷=+= += 4-= -=25×= ×= ÷4= ÷=+= - = 16×= ÷= += += 5-= -=