數習練習03/01/97 數學練習 300+205 = 300+200+5 = 505 178+56 = 178+30+20+2+4 = 234 155+85 = 155+50+30+5 = 240 188+200 = 388 157+145 = 157+100+40+3+2 = 302 119+218 = 119+200+10+1+7 = 337 35+16 = 35+10+5+1 = 51 57+52 = 57+50+2 = 109 64-( ) = 28 ( ) = 64-28 = 64-20-4-4 = 36 37+63 = 37+60+3 = 100 58+46 = 58+40+2+4 = 104 82+49 = 82+20+20+8+1 = 131 74+65 = 74+30+30+5 = 139 94+78 = 94+10+60+6+2 = 172 68+84 = 68+40+40+2+2 = 152 356+54 = 356+50+4 = 410 64+146 = 64+100+40+6 = 210 88+103 = 88+100+2+1 = 191 237+84 = 237+70+10+3+1 = 321 156+84 = 156+50+30+4 = 240 137+85 = 137+70+10+3+2 = 222 575-36 = 575-30-5-1 = 539 804-61 = 804-60-1 = 743 480-19 = 480-10-9 = 461 738-45 = 738-30-10-5 = 693 608-98 = 608-90-8 = 510 995-89 = 995-80-5-4 = 906 355-63 = 355-50-10-3 = 292 683-63 = 683-60-3 = 620 470-63 = 470-60-3 = 407 84+159 = 84+100+20+30+6+3 = 243 505-42 =505-40-2 = 463 463-49= 463-40-3-6 = 414 168-75 = 168-75 = 168-60-10-5 = 93 159-93 = 159-50-40-3 = 66 |
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