1、乐课力内部讲义1怒解方程100道(上)适用年级:三年级 BY:乐课力老葛(1) 3x=15 (2) 28=7x(3) 7x=4x18 (4) 5x=492x(5) x24=4x (6) 4x15=13(7) 12x12=7x13 (8) 2x15=5x3(9) 7x43=202x (10) 1055x=6x38乐课力内部讲义2(11)2(x9)=5x (12)3(x4)=4x4(13)5(x1)=2(x5) (14)10x2(x3)=10(15)213(x1)=5x (16)502(3x7)=3x(17)13x3(x9)=127 (18)532(x4)=4x3(19)32(x5)33=30 (
2、20)22(2x7)77=15乐课力内部讲义3(21)3x2=8 (22)5x20=3x80(23)6x4=602x (24)4x16=2(x16)(25)123x=7x18 (26)105x=167x(27)7x(3x2)=22 (28)12x20(8x)=112(29)5x5=10(x3) (30)8x4(15x)=72乐课力内部讲义4(31)7x6(20x)=10 (32)4(x2)2(x3)=14(33)x2(5x1)=17 (34)22(x2)22=10(35)5x14=7x4 (36)39x=4(12x)(37)4x6(13x)=62 (38)3x7=2(x6)(39)8x5(15x)=3 (40)55x=2(1103x)乐课力内部讲义5(41)10x2(5x)=46 (42)503(103x)=38(43)15(x2)3(2x2)=126 (44)22(2x3)33=2013(45)25(3x8)88=16 (46)x1314=50(47)9x3(2x5)=24 (48)605(3x7)=10x(49)502(x4)=4x (50)10x2(x3)=50