1 1 4 ÷2 = 1 6 ÷4 = 2 4 ÷3 = 3 0 ÷5 = 2 2 ÷5 = 3 0 ÷4 = 9 ÷2 = 2 0 ÷6 = 1 1 ÷2 = 1 4 ÷3 = 5 ÷2 = 1 8 ÷4 = 2 3 ÷3 = 2 8 ÷5 = 2 3 ÷4 = 9 ÷4 = 2 0 ÷3 = 1 1 ÷4 = 2 9 ÷4 = 3 4 ÷5 = 1 6 ÷3 = 3 7 ÷5 = 2 5 ÷8 = 2 6 ÷5 = 2 8 ÷4 = 4 0 ÷6 = 4 5 ÷6 = 6 3 ÷9 = 5 7 ÷8 = 5 0 ÷7 = 2 2 2 5 ÷4 = 1 7 ÷2 = 3 7 ÷5 = 1 4 ÷3 = 3 4 ÷5 = 4 2 ÷6 = 6 0 ÷9 = 6 4 ÷9 = 3 7 ÷4 = 6 4 ÷8 = 有余数的除法 4 1 ÷6 = 4 6 ÷5 = 2 7 ÷8 = 3 6 ÷6 = 2 2 ÷7 = 4 8 ÷8 = 4 8 ÷9 = 3 3 ÷5 = 3 7 ÷4 = 4 9 ÷7 = 7 2 ÷9 = 4 7 ÷9 = 3 0 ÷4 = 5 0 ÷6 = 2 0 ÷3 = 2 7 ÷8 = 1 7 ÷5 = 1 7 ÷3 = 2 5 ÷7 = 1 4 ÷4 = 1 4 3 +1 2 6 = 2 3 0 +1 3 6 = 4 3 3 +5 6 = 7 2 +1 2 1 = 3 3 542+306= 74+424= 403+95= 271+518= 149+220= 81+203= 334+542= 58+140= 403+85= 150+327= 64+532= 325+43= 501+294= 73+622= 85+143= 85+126= 163+251= 675+75= 90+910= 168+240= 536+89= 370+453= 65+243= 76+646= 334+569= 235+85= 452+396= 273+727= 4 4 509+294= 688+212= 57+650= 428+172= 94+707= 546+215= 143+178= 194+236= 三位数加法 85+143+126 = 178+194+236= 532+316+125= 79+402+311 = 586+117+208= 338+168+207= 276+89+131= 94+380+526 = 145+173+165= 192+403+105= 251+319+74= 188+45+355= 5 5 67+156+273= 268+268+268= 158+216+142= 97+105+97= 346+113+346= 213+346+313= 552+175+452= 275+352+375= 6 6 三位数减法 2 3 5 -1 2 3 = 2 5 3 -1 2 1 = 5 3 8 -4 3 4 = 6 7 2 -6 5 2 = 9 4 5 -4 2 4 = 8 1 9 -8 0 5 = 7 9 7 -5 3 = 1 2 6 -1 1 4 = 2 7 6 -2 0 5 = 1 5 4 -1 1 0 = 6...