更新时间2019-02-14 10:00:12
76×23+24×23 12+19×12 21+254+79+46 25×16×5 52×32+48×32 18×137-18×37 450÷18 420÷35 480÷15 21×99 125×32 12×301 75×3×4 19+99×19 256×9-46×9 13+13×49 (25+125)×8 541×67-67×441 43×201 102×35
=(76+24)×23
=100×23
=2300
=12×(1+19)
=12×20
=240
=(21+79)+(254+46)
=100+300
=400
=(25×4)×(4×5)
=100×20
=2000
=(52+48)×32
=100×32
=3200
=18×(137-37)
=18×100
=1800
=450÷9÷2
=50÷2
=25
=420÷7÷5
=60÷5
=12
=(480×2)÷(15×2)
=960÷30
=32
=21×(100-1)
=21×100-21×1
=2100-21
=2079
=125×8×4
=1000×4
=4000
=12×(300+1)
=12×300+12×1
=3600+12
=3612
=75×4×3
=300×3
=900
=19×(1+99)
=19×100
=1900
=(256-46)×9
=210×9
=1890
=13×(1+49)
=13×50
=650
=25×8+125×8
=25×4×2+1000
=100×2+1000
=200+1000
=1200
=(541-441)×67
=100×67
=6700
=43×(200+1)
=43×200+43×1
=8600+43
=8643
=(100+2)×35
=100×35+2×35
=3500+70
=3570